The People of the State of Colorado, Plaintiff-Appellant: v. Arthur S. Mills. Defendant-Appellee:

2025 CO 47
CourtSupreme Court of Colorado
DecidedJune 30, 2025
Docket24SA148
StatusPublished

This text of 2025 CO 47 (The People of the State of Colorado, Plaintiff-Appellant: v. Arthur S. Mills. Defendant-Appellee:) is published on Counsel Stack Legal Research, covering Supreme Court of Colorado primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

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The People of the State of Colorado, Plaintiff-Appellant: v. Arthur S. Mills. Defendant-Appellee:, 2025 CO 47 (Colo. 2025).

Opinion

2025 CO 47

The People of the State of Colorado, Plaintiff-Appellant:
v.
Arthur S. Mills. Defendant-Appellee:

No. 24SA148

Supreme Court of Colorado, En Banc

June 30, 2025


          Interlocutory Appeal from the District Court District Court, City and County of Denver, Case Nos. 23CR4306 & 21CR6486 Honorable Adam J. Espinosa, Judge

          Attorneys for Plaintiff-Appellant: Beth McCann, District Attorney, Second Judicial District Ellen Michaels, Deputy District Attorney Denver, Colorado

          Attorneys for Defendant-Appellee: Megan A. Ring, Public Defender Christopher Smallwood, Deputy Public Defender Denver, Colorado

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          CHIEF JUSTICE MÁRQUEZ delivered the Opinion of the Court, in which JUSTICE BOATRIGHT, JUSTICE HOOD, JUSTICE GABRIEL, JUSTICE HART, JUSTICE SAMOUR, and JUSTICE BERKENKOTTER joined.

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          OPINION

          MÁRQUEZ CHIEF JUSTICE

         ¶1 In this interlocutory appeal under section 16-12-102(2), C.R.S. (2024) and C.A.R. 4.1, the People seek review of the trial court's order suppressing drug evidence found in Defendant Arthur S. Mills's vehicle. The trial court reasoned that because the Denver Police Department ("Denver Police") did not apply for a warrant to search Mills's vehicle until three days after seizing it, the delay rendered the seizure unconstitutional.

         ¶2 In general, we assess the reasonableness of a seizure by weighing the nature and quality of the intrusion on an individual's Fourth Amendment interests against the importance of the government's law enforcement interests asserted to justify the intrusion. That overarching balance of interests applies in this context as well. To determine whether a seizure of property based on probable cause was reasonably extended to apply for a warrant to search that property, we establish a four-factor balancing test that considers (1) the length of the delay, (2) the nature and strength of the individual's possessory interest in the property seized, (3) the strength of the government's justification for the delay, and (4) the government's diligence in applying for a search warrant.

         ¶3 Applying that balancing test here, we conclude that the delay between the initial seizure and the search of Mills's vehicle was reasonable. We therefore

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reverse the trial court's suppression order, and we remand for further proceedings consistent with this opinion.

         I. Facts and Procedural History

         ¶4 On a Saturday afternoon during a covert surveillance operation in a high crime area of Denver, undercover police officers observed Mills drive into a Walgreens parking lot. Officer Derek Streeter witnessed a man enter Mills's vehicle, Mills grab a backpack from the back seat, and the two men huddle over the center console-behaviors that the officer believed were consistent with a drug transaction. The other man left Mills's vehicle. Neither went into the Walgreens. While Mills was still in the parking lot, Officer Streeter learned that Mills had a substantial history of narcotics distribution. When Mills drove out of the parking lot without using proper turn signals, Officer Streeter notified fellow officers to make a traffic stop.

         ¶5 During the traffic stop, Mills failed to produce a driver's license or proof of insurance for the Range Rover he was driving; instead, he provided insurance for three other high-end vehicles. He also used three different cell phones during the stop.

         ¶6 Mills refused to get out of the car and became contentious and uncooperative. Although the officers believed they had probable cause to arrest him, they did not want to break into the vehicle and physically remove him. The

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officers decided to consult Detective Kevin Burke, one of four narcotics detectives, all of whom were off duty. Detective Burke instructed the officers to secure the vehicle, hold it for him, and obtain a search warrant instead of conducting a search on-scene. Burke also informed the officers that he would take the investigation from there. The officers issued Mills a citation for driving without a valid driver's license and insurance. They permitted him to have an acquaintance come to the scene to move the vehicle a short distance to park it legally. Mills and the acquaintance left the car, and the officers impounded the vehicle.

         ¶7 Detective Burke did not take any action to apply for a warrant to search the vehicle later that evening or Sunday, while he remained off duty. Upon his return to work on Monday, he requested a K-9 sniff of the vehicle. The K-9 detective informed Detective Burke that the unit was off duty on Mondays and asked if the sniff could be performed on Tuesday. Detective Burke assented, believing that because the police had seven days to execute a search warrant, they could hold the vehicle for up to a week. He spent Monday familiarizing himself with the case, drafting the search warrant, and attending to other cases.

         ¶8 On Tuesday, Detective Burke contacted the K-9 unit again. The K-9 unit performed the dog sniff that morning, and the dog alerted to the presence of drugs inside the vehicle. Detective Burke completed the search warrant application and

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affidavit and submitted them late that afternoon. Just over an hour later, a judge signed the warrant.

         ¶9 Over the following few days, Denver Police tried unsuccessfully to obtain Mills's cooperation to search his vehicle without forcing entry. Detective Burke eventually entered the vehicle through a side window and found a backpack in the car containing methamphetamine, heroin, cocaine, fentanyl, and two digital scales with white residue. The People charged Mills with four counts of possession with intent to distribute a controlled substance under section 18-18-405, C.R.S. (2024).[1]

         ¶10 Mills later filed a motion to suppress the evidence gathered from his vehicle. As relevant here, Mills argued that the officers lacked probable cause to seize the vehicle and even if the initial seizure was valid, Denver Police unlawfully extended the seizure in violation of the Fourth Amendment to the U.S. Constitution and article II, section 7 of the Colorado Constitution because Detective Burke waited until the following Tuesday to apply for a warrant. The People responded that the officers had probable cause to seize the vehicle and the delay in seeking the warrant was reasonable under the totality of the circumstances.

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         ¶11 Following a hearing, the Denver County District Court granted Mills's motion. In an oral ruling, the trial court concluded that although Denver Police had probable cause to seize Mills's vehicle, they extended the seizure for a period that was longer than necessary to apply for a search warrant. Citing Chambers v. Maroney, 399 U.S. 42

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