The Supreme Court of the State of Colorado 2 East 14th Avenue • Denver, Colorado 80203
2024 CO 34
Supreme Court Case No. 23SA271 Original Proceeding Pursuant to C.A.R. 21 Boulder County Court Case No. 22M1874 Honorable Elizabeth Brodsky, Judge
In Re Plaintiff:
The People of the State of Colorado,
v.
Defendant:
Harold Lloyd Honstein.
Rule Made Absolute en banc June 3, 2024
Attorneys for Plaintiff: Michael T. Dougherty, District Attorney, Twentieth Judicial District Adam D. Kendall, Chief Trial Deputy District Attorney Boulder, Colorado
Attorneys for Defendant: Megan A. Ring, Public Defender Elizabeth J. Frawley, Deputy Public Defender Elizabeth Califf, Deputy Public Defender Antonia Diener, Deputy Public Defender Boulder, Colorado
Attorneys for Respondent Boulder County Court: Philip J. Weiser, Attorney General Emily Burke Buckley, Senior Assistant Attorney General Denver, Colorado
CHIEF JUSTICE BOATRIGHT delivered the Opinion of the Court, in which JUSTICE MÁRQUEZ, JUSTICE HOOD, JUSTICE GABRIEL, JUSTICE HART, JUSTICE SAMOUR, and JUSTICE BERKENKOTTER joined.
2 CHIEF JUSTICE BOATRIGHT delivered the Opinion of the Court.
¶1 In this C.A.R. 21 appeal, we determine the standard courts must apply when
deciding whether a participating prosecutor must testify in response to a
defendant’s subpoena. We hold that a defendant who wishes to call a
participating prosecutor as a witness must demonstrate a compelling and
legitimate reason to do so. Applying this standard de novo, we conclude that the
trial court erred in ordering the prosecutor to testify. Therefore, we make our rule
to show cause absolute and remand for further proceedings consistent with
this opinion.
I. Facts and Procedural History
¶2 The People charged Harold Lloyd Honstein with one count of third-degree
assault arising out of an incident with his roommate, V.S. At the time of Honstein’s
arrest, V.S. reported to law enforcement that Honstein punched her and threw a
full soda can that struck her in the back of the head.
¶3 Ten months after the incident, however, V.S. partially recanted her
accusation. During a conversation with the prosecutor and the victim advocate,
V.S. stated that Honstein never actually punched her, but that he did throw a soda
can at the back of her head. She further offered to shave her head to show the
mark that remained from the can. The prosecutor heard the partial recantation,
but the victim advocate did not. The prosecutor immediately notified defense
3 counsel, offered to stipulate via a jury instruction that V.S. recanted, and assigned
an investigator to follow up with V.S. Three days later, V.S. reiterated to the
investigator that Honstein never punched her. V.S. also stated that she originally
thought Honstein punched her, but later realized what she felt was the soda can
hitting her in the back of the head. The prosecution promptly shared the
investigator’s report documenting this second recantation with defense counsel.
¶4 In response to the initial recantation, defense counsel subpoenaed the
prosecutor to testify at trial, contending that the prosecutor was the “sole
perceiving witness” of V.S.’s first recantation. The People moved to quash the
subpoena. The trial court denied the motion, reasoning that it had no authority to
limit Honstein’s “right to a fair trial and the presentation of exculpatory evidence
in the manner of his choosing,” and that there was a “compelling and legitimate
need” to call the prosecutor for impeachment purposes. The trial court
determined that the evidence could not come from another source because the
initial recantation was a unique instance constituting exculpatory evidence and
the “entire case hinge[d] on [V.S.’s] credibility.” The trial court also ruled that
there was no legal authority requiring the defense to stipulate to what the victim
told the prosecutor during the first recantation.1
1 The trial court stated that the People could renew their motion to quash after V.S.
testified at trial.
4 ¶5 The prosecution filed a motion to reconsider, which the trial court also
denied. The People then sought relief under C.A.R. 21, and we issued a rule to
show cause.
II. Original Jurisdiction Under C.A.R. 21
¶6 We exercise our original jurisdiction under C.A.R. 21 only when “no other
adequate remedy . . . is available.” C.A.R. 21(a)(2). Jurisdiction is proper when
“an appellate remedy would be inadequate, a party may suffer irreparable harm,
or a petition raises an issue of first impression that has significant public
importance.” People v. Seymour, 2023 CO 53, ¶ 16, 536 P.3d 1260, 1269 (quoting
People v. A.S.M., 2022 CO 47, ¶ 9, 517 P.3d 675, 677). C.A.R. 21 is meant to provide
relief that is “extraordinary in nature,” and its exercise is at our sole discretion.
A.S.M., ¶ 9, 517 P.3d at 677.
¶7 We exercise jurisdiction here for two reasons. First, this is an issue of first
impression that presents a question of significant public importance. We have yet
to determine what standard applies when a defendant subpoenas a participating
prosecutor to testify at trial. Our justice system rests on the strict separation
between advocate and witness. As a fundamental proposition, we ask juries to
base their decisions on the facts before them, not the credibility or reliability of the
advocates. Consequently, a participating prosecutor’s testimony, although rare,
5 can compromise the integrity of the adversarial process. Accordingly, it is
necessary that we provide a clear standard for evaluating this issue.
¶8 Second, there is no other adequate relief available. The People argue that
without review at this juncture, they lack a remedy that would offer any
meaningful redress. We agree. If the prosecutor was forced to testify and
Honstein was acquitted, double jeopardy would preclude the prosecution from
re-trying Honstein. Colo. Const. art. II, § 18. Thus, our review at this stage
is necessary.
III. Analysis
¶9 We begin by setting forth the relevant standard of review. Then, we
examine Colorado precedent on the key doctrines implicated here: compulsory
process, the advocate-witness rule, and prosecutor disqualification. Next, we
review the federal standard for prosecutor testimony. Following that discussion,
we adopt the federal approach and hold that a defendant who wishes to call a
participating prosecutor must demonstrate a compelling and legitimate reason to
do so. Last, we apply our holding to this case and conclude that the trial court
erred in determining that the prosecutor must testify.
A. Standard of Review
¶10 We review a trial court’s ruling on a motion to quash for abuse of discretion.
Liggett v. People, 2023 CO 22, ¶ 42, 529 P.3d 113, 123. A trial court abuses its
6 discretion if its ruling is “manifestly arbitrary, unreasonable, or unfair.”
Chirinos-Raudales v. People, 2023 CO 33, ¶ 23, 532 P.3d 1200, 1205. A trial court also
abuses its discretion if it misapplies the law. Liggett, ¶ 42, 529 P.3d at 123.
B.
Free access — add to your briefcase to read the full text and ask questions with AI
The Supreme Court of the State of Colorado 2 East 14th Avenue • Denver, Colorado 80203
2024 CO 34
Supreme Court Case No. 23SA271 Original Proceeding Pursuant to C.A.R. 21 Boulder County Court Case No. 22M1874 Honorable Elizabeth Brodsky, Judge
In Re Plaintiff:
The People of the State of Colorado,
v.
Defendant:
Harold Lloyd Honstein.
Rule Made Absolute en banc June 3, 2024
Attorneys for Plaintiff: Michael T. Dougherty, District Attorney, Twentieth Judicial District Adam D. Kendall, Chief Trial Deputy District Attorney Boulder, Colorado
Attorneys for Defendant: Megan A. Ring, Public Defender Elizabeth J. Frawley, Deputy Public Defender Elizabeth Califf, Deputy Public Defender Antonia Diener, Deputy Public Defender Boulder, Colorado
Attorneys for Respondent Boulder County Court: Philip J. Weiser, Attorney General Emily Burke Buckley, Senior Assistant Attorney General Denver, Colorado
CHIEF JUSTICE BOATRIGHT delivered the Opinion of the Court, in which JUSTICE MÁRQUEZ, JUSTICE HOOD, JUSTICE GABRIEL, JUSTICE HART, JUSTICE SAMOUR, and JUSTICE BERKENKOTTER joined.
2 CHIEF JUSTICE BOATRIGHT delivered the Opinion of the Court.
¶1 In this C.A.R. 21 appeal, we determine the standard courts must apply when
deciding whether a participating prosecutor must testify in response to a
defendant’s subpoena. We hold that a defendant who wishes to call a
participating prosecutor as a witness must demonstrate a compelling and
legitimate reason to do so. Applying this standard de novo, we conclude that the
trial court erred in ordering the prosecutor to testify. Therefore, we make our rule
to show cause absolute and remand for further proceedings consistent with
this opinion.
I. Facts and Procedural History
¶2 The People charged Harold Lloyd Honstein with one count of third-degree
assault arising out of an incident with his roommate, V.S. At the time of Honstein’s
arrest, V.S. reported to law enforcement that Honstein punched her and threw a
full soda can that struck her in the back of the head.
¶3 Ten months after the incident, however, V.S. partially recanted her
accusation. During a conversation with the prosecutor and the victim advocate,
V.S. stated that Honstein never actually punched her, but that he did throw a soda
can at the back of her head. She further offered to shave her head to show the
mark that remained from the can. The prosecutor heard the partial recantation,
but the victim advocate did not. The prosecutor immediately notified defense
3 counsel, offered to stipulate via a jury instruction that V.S. recanted, and assigned
an investigator to follow up with V.S. Three days later, V.S. reiterated to the
investigator that Honstein never punched her. V.S. also stated that she originally
thought Honstein punched her, but later realized what she felt was the soda can
hitting her in the back of the head. The prosecution promptly shared the
investigator’s report documenting this second recantation with defense counsel.
¶4 In response to the initial recantation, defense counsel subpoenaed the
prosecutor to testify at trial, contending that the prosecutor was the “sole
perceiving witness” of V.S.’s first recantation. The People moved to quash the
subpoena. The trial court denied the motion, reasoning that it had no authority to
limit Honstein’s “right to a fair trial and the presentation of exculpatory evidence
in the manner of his choosing,” and that there was a “compelling and legitimate
need” to call the prosecutor for impeachment purposes. The trial court
determined that the evidence could not come from another source because the
initial recantation was a unique instance constituting exculpatory evidence and
the “entire case hinge[d] on [V.S.’s] credibility.” The trial court also ruled that
there was no legal authority requiring the defense to stipulate to what the victim
told the prosecutor during the first recantation.1
1 The trial court stated that the People could renew their motion to quash after V.S.
testified at trial.
4 ¶5 The prosecution filed a motion to reconsider, which the trial court also
denied. The People then sought relief under C.A.R. 21, and we issued a rule to
show cause.
II. Original Jurisdiction Under C.A.R. 21
¶6 We exercise our original jurisdiction under C.A.R. 21 only when “no other
adequate remedy . . . is available.” C.A.R. 21(a)(2). Jurisdiction is proper when
“an appellate remedy would be inadequate, a party may suffer irreparable harm,
or a petition raises an issue of first impression that has significant public
importance.” People v. Seymour, 2023 CO 53, ¶ 16, 536 P.3d 1260, 1269 (quoting
People v. A.S.M., 2022 CO 47, ¶ 9, 517 P.3d 675, 677). C.A.R. 21 is meant to provide
relief that is “extraordinary in nature,” and its exercise is at our sole discretion.
A.S.M., ¶ 9, 517 P.3d at 677.
¶7 We exercise jurisdiction here for two reasons. First, this is an issue of first
impression that presents a question of significant public importance. We have yet
to determine what standard applies when a defendant subpoenas a participating
prosecutor to testify at trial. Our justice system rests on the strict separation
between advocate and witness. As a fundamental proposition, we ask juries to
base their decisions on the facts before them, not the credibility or reliability of the
advocates. Consequently, a participating prosecutor’s testimony, although rare,
5 can compromise the integrity of the adversarial process. Accordingly, it is
necessary that we provide a clear standard for evaluating this issue.
¶8 Second, there is no other adequate relief available. The People argue that
without review at this juncture, they lack a remedy that would offer any
meaningful redress. We agree. If the prosecutor was forced to testify and
Honstein was acquitted, double jeopardy would preclude the prosecution from
re-trying Honstein. Colo. Const. art. II, § 18. Thus, our review at this stage
is necessary.
III. Analysis
¶9 We begin by setting forth the relevant standard of review. Then, we
examine Colorado precedent on the key doctrines implicated here: compulsory
process, the advocate-witness rule, and prosecutor disqualification. Next, we
review the federal standard for prosecutor testimony. Following that discussion,
we adopt the federal approach and hold that a defendant who wishes to call a
participating prosecutor must demonstrate a compelling and legitimate reason to
do so. Last, we apply our holding to this case and conclude that the trial court
erred in determining that the prosecutor must testify.
A. Standard of Review
¶10 We review a trial court’s ruling on a motion to quash for abuse of discretion.
Liggett v. People, 2023 CO 22, ¶ 42, 529 P.3d 113, 123. A trial court abuses its
6 discretion if its ruling is “manifestly arbitrary, unreasonable, or unfair.”
Chirinos-Raudales v. People, 2023 CO 33, ¶ 23, 532 P.3d 1200, 1205. A trial court also
abuses its discretion if it misapplies the law. Liggett, ¶ 42, 529 P.3d at 123.
B. Compulsory Process, the Advocate-Witness Rule, and Prosecutor Disqualification in Colorado
¶11 The U.S. and Colorado constitutions guarantee criminal defendants the
right to a fair trial. U.S. Const. amends. V, XIV; Colo. Const. art. II, §§ 16, 25. As
part of this right, defendants enjoy compulsory process: the ability to “compel the
attendance of witnesses” on their behalf to make their case and defend themselves.
Colo. Const. art. II, § 16. This right is violated when defendants are denied their
“only means of effectively testing significant prosecution evidence.” People v.
Owens, 2024 CO 10, ¶ 141, 544 P.3d 1202, 1231 (quoting Krutsinger v. People,
219 P.3d 1054, 1062 (Colo. 2009)).
¶12 While we have yet to directly address the standard that applies when a
defendant subpoenas a participating prosecutor, we have decided underlying and
adjacent issues. Namely, we have set forth the reach of the advocate-witness rule
and the relevant inquiry for when a defendant requests the disqualification of a
prosecutor or prosecutor’s office when they are called as a witness. See Fognani v.
Young, 115 P.3d 1268, 1272 (Colo. 2005) (advocate-witness rule); People v. Garcia,
698 P.2d 801, 805 (Colo. 1985) (prosecutor and prosecutor’s office disqualification).
7 ¶13 The advocate-witness rule, codified in Colo. RPC 3.7, generally forbids
counsel from “maintain[ing] dual roles as advocate and witness in the same matter
before the same tribunal.” Fognani, 115 P.3d at 1272. Specifically, Rule 3.7
prohibits attorneys from serving as an advocate in the same trial in which they are
“likely to be a necessary witness.”2 Colo. RPC 3.7(a). The rule seeks to preserve
the integrity of the adversarial process, as “[c]ombining the roles of advocate and
witness can prejudice the tribunal and the opposing party and can also involve a
conflict of interest between the lawyer and client.”3 Colo. RPC 3.7 cmt. 1.
¶14 Relatedly, when asked to disqualify a prosecutor or prosecutor’s office
when they are called as a witness, a trial court should disqualify the prosecutor if
their testimony is “of sufficient consequence to prevent a fair trial.” People v.
Arellano, 2020 CO 84, ¶ 26, 476 P.3d 364, 368. Disqualification is proper if the court
determines that it is necessary to ensure “the integrity of the fact-finding process,
the fairness or appearance of fairness of trial, the orderly or efficient
2 In determining whether a party is a “necessary witness,” courts look at the nature
of the case, the weight and subject of the testimony, and the availability of other witnesses or evidence that could serve as substitutes. Fognani, 115 P.3d at 1274 (adopting the Colorado Bar Association Ethics Committee’s approach to determining a “necessary witness” under Rule 3.7). 3 The rule allows for exceptions when: (1) the testimony concerns an uncontested
issue, (2) the testimony relates to the nature and value of legal services rendered in that specific case, or (3) disqualification of the attorney would cause the client substantial hardship. Colo. RPC 3.7(a)(1)–(3).
8 administration of justice, or public trust or confidence in the criminal justice
system.” Garcia, 698 P.2d at 806. In evaluating a disqualification request, trial
courts consider the degree to which the testimony is contested, as well as its
nature, relevance, and necessity, among other factors, depending on the breadth
of the request. Id. at 807.
¶15 With these concepts as a backdrop, we proceed to examine the federal
standard for requiring a participating prosecutor to testify.
C. The Federal “Compelling and Legitimate” Standard
¶16 As in Colorado, the federal advocate-witness rule generally bars an attorney
from appearing both as a witness and an advocate in the same case. See United
States v. Prantil, 764 F.2d 548, 552–53 (9th Cir. 1985); United States v. Birdman,
602 F.2d 547, 551–55 (3d Cir. 1979); United States v. Johnston, 690 F.2d 638, 642–43
(7th Cir. 1982). In criminal trials, federal courts strive to maintain the distinction
between advocate and witness to protect the integrity of the adversarial process,
eliminate the risk of jury confusion, and safeguard against the possibility that a
testifying prosecutor is not a “fully objective witness.” Prantil, 764 F.2d at 553.
¶17 Thus, a defendant who wishes to call a prosecutor as a witness must
demonstrate “a compelling and legitimate reason to do so.” United States v. Regan,
103 F.3d 1072, 1083 (2d Cir. 1997). In determining whether there is a compelling
and legitimate reason for the testimony, federal courts “must honor the
9 defendant’s constitutional rights under the confrontation and compulsory process
clauses of the Sixth Amendment.” Prantil, 764 F.2d at 552. Specifically, defendants
must show that the prosecutor’s testimony is vital to the case and that the
“inability to present the same or similar facts from another source creates a
compelling need for the testimony.” United States v. Watson, 952 F.2d 982, 986 (8th
Cir. 1991).
¶18 Federal caselaw does not indicate whether “compelling and legitimate” is a
compound consideration or should be analyzed as two separate factors. See, e.g.,
Regan, 103 F.3d at 1083. To our knowledge, no case has turned solely on the
legitimacy of the testimony at issue; rather, the crux of the inquiry centers on
whether the testimony is sufficiently “compelling.” Testimony available via
alternative sources or constituting duplicative impeachment is not compelling. See
United States v. Dupuy, 760 F.2d 1492, 1497–98 (9th Cir. 1985) (finding that there
were alternative sources and that the elicited testimony would be “cumulative at
best”); United States v. Tamura, 694 F.2d 591, 601 (9th Cir. 1982) (finding that the
prosecutor’s testimony would be duplicative impeachment). In contrast, a
defendant demonstrates a compelling reason when the prosecutor’s unique
knowledge of the facts is “vital to the defendant’s defense.” Prantil, 764 F.2d at
552 (finding that the prosecutor’s testimony was vital because he “was both a
10 witness to and a participant in the factual events at issue.”). Next, we adopt these
principles and apply them to the case at hand.
D. Colorado Defendants Must Prove a Compelling and Legitimate Reason to Call a Prosecutor as Witness
¶19 The case before us concerns the standard a court must use to evaluate a
defendant’s subpoena of a participating prosecutor. Separating advocate from
witness and argument from testimony is essential to the adversarial system, and
the muddling of those boundaries should be both infrequent and exceptional.
Equally important, however, is a defendant’s right to mount a cogent defense. We
believe that the federal compelling and legitimate standard provides the best
approach, striking the appropriate balance between the rights of all parties.
Further, it provides trial courts discretion to account for the few instances in which
prosecutor testimony is essential to the administration of justice, and to prevent its
inclusion when it is not.
¶20 Accordingly, we hold that a defendant who wishes to call a participating
prosecutor as a witness must demonstrate a compelling and legitimate reason to
do so. This standard requires the testimony in question to be both vital to the case
and unobtainable from other sources. Trial courts have discretion to determine
whether the proffered reason is compelling and legitimate and should quash
subpoenas eliciting testimony when this standard is not met. Now, we apply our
holding to the instant case.
11 E. Application
¶21 The People contend that the trial court abused its discretion because the
defense had no compelling and legitimate reason to call the prosecutor to the
witness stand. They argue that the prosecutor’s potential testimony regarding
V.S.’s initial recantation could be obtained by alternative means and that their offer
to stipulate to the initial recantation resolved the issue, meaning there was no need
for the prosecutor to testify.
¶22 Conversely, Honstein argues that the trial court properly concluded that
there was a compelling and legitimate reason for the testimony because the
prosecutor was the sole witness to V.S.’s initial recantation. He also argues that he
is not required to accept the prosecutor’s stipulation in lieu of live testimony.
Likewise, the trial court contends that it acted well within its discretion and
correctly ruled that the prosecutor must testify.
¶23 To begin, though the People offered to stipulate to the events that took place
during the initial recantation, there exists no authority requiring the defense to
accept such a stipulation. While in some instances, the prosecution may be
compelled to accept a factual stipulation from the defense, the reverse scenario is
not a feature of our system—and we decline to make it one. See Martin v. People,
738 P.2d 789, 794 (Colo. 1987) (holding that a trial court may force the prosecution
to accept a stipulation if it does not weaken the prosecution’s case).
12 ¶24 Rejecting the stipulation as an alternative for the prosecutor’s testimony, we
nevertheless conclude that Honstein has not demonstrated a compelling and
legitimate reason to call the prosecutor as a witness in this case. Under these facts,
the existence of a comparable alternative source is enough to render the
prosecutor’s testimony needless. See Dupuy, 760 F.2d at 1498; Tamura, 694 F.2d at
601. Here, the material substance of the prosecutor’s testimony is available from
an alternative source—namely, the investigator. The timing and manner in which
V.S. changed her story are largely irrelevant; the salient fact is that she changed it
at all.
¶25 While V.S. recanted to the prosecutor three days before she recanted to the
investigator, the record reveals that the two conversations were substantively
identical. In the first conversation with the prosecutor, V.S. stated that the soda
can hit her in the head, but that Honstein did not punch her. She further offered
to shave her head to show the mark that remained from the can. In the second
conversation with the investigator, V.S. repeated that Honstein did not punch her.
She went on to say that she initially thought Honstein punched her but later
realized what she felt was the soda can hitting her in the back of the head. The
only difference between these two conversations is V.S.’s offer to shave her head
(in conversation one) and her further explanation that she mistook the can for a
13 punch (in conversation two).4 The trial court found that the presence of these
additional contextual details rendered the conversations wholly distinguishable.
We are not convinced.
¶26 Though the two conversations were distinct, the second conversation
provides all the relevant information found in the first. See Watson, 952 F.2d at 986
(holding that defendants must show they cannot demonstrate the “same or similar
facts” from other sources to justify calling a prosecutor as a witness). Significantly,
the testimony of the investigator and the prosecutor ultimately serve the same
purpose: to impeach V.S. about the same set of facts in the same way. In addition,
there is no indication that V.S. will deny the recantation, further diluting the
necessity of this testimony. And if V.S. admits she changed her story while on the
stand, there is no compelling need for the prosecutor or the investigator’s
testimony regarding her inconsistent statements.
¶27 In sum, the facts of this case don’t require us to blur the line between
advocate and witness. Accordingly, we conclude that Honstein has failed to
demonstrate a compelling and legitimate reason for the participating prosecutor
to testify.
4 V.S. discussed other facts during the conversation with the investigator that were
not discussed with the prosecutor. These facts are unrelated to the recantation, so we have not included them in our analysis.
14 IV. Conclusion
¶28 A defendant who wishes to call a participating prosecutor as a witness must
demonstrate a compelling and legitimate reason to do so. In this case, the
testimony sought by Honstein does not meet that standard. Accordingly, we make
the rule to show cause absolute and remand for further proceedings consistent
with this opinion.