The Estate of Stephanie Dawn Mellon-Reppen, by its personal representative, Abbey Reppen v. United States of America

CourtDistrict Court, E.D. Michigan
DecidedMarch 31, 2026
Docket2:24-cv-13300
StatusUnknown

This text of The Estate of Stephanie Dawn Mellon-Reppen, by its personal representative, Abbey Reppen v. United States of America (The Estate of Stephanie Dawn Mellon-Reppen, by its personal representative, Abbey Reppen v. United States of America) is published on Counsel Stack Legal Research, covering District Court, E.D. Michigan primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
The Estate of Stephanie Dawn Mellon-Reppen, by its personal representative, Abbey Reppen v. United States of America, (E.D. Mich. 2026).

Opinion

UNITED STATES DISTRICT COURT EASTERN DISTRICT OF MICHIGAN SOUTHERN DIVISION THE ESTATE OF STEPHANIE DAWN MELLON-REPPEN, by its personal representative, ABBEY REPPEN, Plaintiff, Case No. 24-13300 Hon. Jonathan J.C. Grey v. UNITED STATES OF AMERICA, Defendant. ___________________________________________/ OPINION AND ORDER This matter is before the Court on defendants’ motion to dismiss (ECF No. 7) and plaintiff’s motion to vacate the certificate of employment (the “certificate”). (ECF No. 12.) The motions are fully briefed. (ECF Nos.

11, 14, 18, 20.)1 I. BACKGROUND The underlying facts of this case are undisputed for the purposes of

the instant motions. On the evening of December 15, 2022, Stephanie

1 Finding the facts and legal arguments sufficiently presented in the parties’ briefs, the Court dispenses with oral argument pursuant to Local Rule 7.1(f). Dawn Mellon-Reppen ran out of gas while traveling on Interstate 96 (“I-

96”) in Redford Township. Mellon-Reppen then exited her car and began walking on westbound I-96, at or near the intersection of Beech Daly where she was struck and killed by a vehicle driven by Special Agent

Nicholas Robert Hill (“SA Hill”), a Special Agent of the Drug Enforcement Administration (“DEA”), who was driving a government vehicle. (Id. at PageID.3–4, at ¶¶ 11–13.) At the time of the accident, SA Hill was driving

from his office to his home. (ECF No. 12, PageID.195.) Reppen filed the present lawsuit on December 11, 2024 as the personal representative of Mellon-Reppen’s estate. (ECF No. 1.) Reppen

alleges that the United States is liable for negligence in relation to the fatal car accident. Reppen also sued SA Hill individually. (Id.) On February 19, 2025, pursuant to 28 U.S.C. § 2679(d)(1) and in accordance

with the government’s notice of substitution (ECF No. 5), the United States was substituted for SA Hill as the sole defendant. (ECF No. 6.) The DEA has a “Home-to-Work Utilization Plan,” (“HTW Plan”)

that sets forth the agency’s procedures for official government vehicle (“OGV”) use under 31 U.S.C. § 1344. (Exhibit A – HTW Plan at 1.) OGVs are only authorized for a DEA employee if they, or their official duties, fall within one of two categories: (1) Field Work or (2) Criminal Law

Enforcement. (Id.) SA Hill is a special agent and is categorized as Criminal Law Enforcement for purposes of the statute. (ECF No. 18 at 5.)

For a position to qualify as one of Criminal Law Enforcement, an employee must show a pattern of activity meeting the criteria. (Exhibit B – DEA Policy 6124.31(B)(3).) Factors that demonstrate such pattern of

activity include: (1) ongoing caseload; (2) liaison; (3) lack of alternative transportation; and (4) (GM-1811) Official based on field management of operations […].” (Id.)

An employee may only use their OGV to travel between their home and work “when affirmatively authorized by statute.” (Exhibit B – DEA Policy 6124.31(B)(3).) Once an employee is authorized to use a OGV for

commuting purposes, OGVs may only be used for “official purposes,” which is interpreted strictly. (Id.) However, an exception is made for “incidental personal use,” which is secondary to the primary official use.

(Id.) Thus, an employee using an OGV for an official purpose, “including home-to-work transportation when authorized,” can make personal stops so long as it is “reasonable in distance and does not negatively impact the

mission of the agency.” (Id.) The DEA allows OGV use under § 1344 a(2)(B) for special agents (“SAs”) because this authorization is “essential for the safe and efficient

conduct of law enforcement duties.” (Exhibit 1 – HTW Plan at 3.) The work of SAs “frequently involve[s] spontaneous recall to duty at locations other than their normal place of work, or where a spontaneous need

arises for them to remain on duty after normal business hours at locations other than their normal place of work.” (Id. at 2.) Thus, it is “not uncommon for a DEA SA […] to have completed his or her own work day

only to be contacted by a counterpart law enforcement officer […], and thus need to respond after hours.” (Id. at 6.) Further, SAs may lack alternate, practical means of transportation

(e.g., public transportation) because they can be “recalled to duty from their residence under circumstances in which response time is frequently a compelling if not overriding consideration.” (Id.) While Reppen does not

dispute the fact that DEA agents have to work irregular hours, she contends that the United States relies on the HTW Plan as a blanket agency policy and does not present evidence that SA Hill was working

irregular hours at the time of the incident. (ECF No. 20, PageID.290.) II. MOTION TO VACATE A. Standard for Vacating Certificate of Employment

In 1946, Congress passed the Federal Tort Claims Act (FTCA), which waived the sovereign immunity of the United States for certain torts committed by federal employees acting within the scope of their employment. In 1988, however, Congress passed the Federal Employees Liability Reform and Tort Compensation Act (Westfall Act). The act immunizes federal employees from individual common-law tort claims that arise while the employee was acting within the scope of their employment and substitutes the United States as the party defendant.

Laible v. Lanter, 91 F.4th 438, 445 (6th Cir. 2024) (internal quotations and citations omitted). Under the Westfall Act, the “certification of the Attorney General shall conclusively establish scope of office or employment for purposes of removal.” 28 U.S.C. § 2679(d)(2). However, the Supreme Court has held that the Attorney General’s scope-of-employment certification is subject to judicial review for purposes of substitution. See Gutierrez de Martinez v. Lamagno, 515 U.S. 417, 434 (1995); see also Arbour v. Jenkins, 903 F.2d 416, 421 (6th Cir. 1990). “The Attorney General’s certification provides prima facie evidence

that the employee was acting within the scope of employment.” RMI Titanium Co. v. Westinghouse Elec. Corp., 78 F.3d 1125, 1143 (6th Cir. 1996). “Whether an employee was acting within the scope of their federal

employment under the Westfall Act is governed by the agency law of the state in which the incident occurred” and is a question of law. Laible v. Lanter, 91 F.4th 438, 445 (6th Cir. 2024). Michigan has adopted the

Restatement (Second) of Agency to define the scope of employment. Zsigo v. Hurey Medical Center, 716 N.W.2d 220, 221 (Mich. 2006). However, “when a district court is reviewing a certification question

under the Westfall Act, it must identify and resolve disputed issues of fact necessary to its decision before entering its order.” Arthur v. United States, 45 F.3d 292, 296 (9th Cir. 1995).

B. Applicability of Bowman In this case, it is undisputed that the incident at issue occurred in Michigan. Under Michigan law, a person acts within the scope of

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The Estate of Stephanie Dawn Mellon-Reppen, by its personal representative, Abbey Reppen v. United States of America, Counsel Stack Legal Research, https://law.counselstack.com/opinion/the-estate-of-stephanie-dawn-mellon-reppen-by-its-personal-representative-mied-2026.