Michael Sullivan Appointed New Chief of U.S. Capitol Police

Michael G. Sullivan has been selected as the new chief of the U.S. Capitol Police, following the retirement of J. Thomas Manger. Sullivan previously oversaw two major police stations during a civil rights investigation by the U.S. Department of Justice.

Just two days after Sean P. Gallagher’s promotion to deputy chief, Sullivan’s appointment was announced. He served as the interim chief of the Phoenix Police Department from September 2022 to April 2025 and boasts over 30 years of experience in law enforcement, having worked in Phoenix, Baltimore, and Louisville.

The Capitol Police Commission’s announcement came on June 4, coinciding with Gallagher’s transition to his new role. The U.S. Capitol Police Labor Commission had noted concerns about Gallagher’s involvement in a 2010 overtime fraud investigation and allegations of command center omissions during the January 6, 2021, events.

“With over 30 years of law enforcement experience in three major U.S. cities, Michael Sullivan is committed to enhancing transparency, improving departmental efficiency, and fostering strong connections between officers, elected officials, and communities,” stated the Capitol Police Commission.

Sullivan is set to be sworn in as the eighth chief of the Capitol Police on June 30. His arrival raises questions about Gallagher’s accountability during the interim period before Sullivan officially takes over.

Sullivan stepped down as interim chief in Phoenix just days before the announcement, claiming that a fresh search for a permanent chief was in the best interest of the department and the city.

During his time in Phoenix, he guided the department through various investigations related to the DOJ’s patterns and practices. The city is working towards a January 2024 “Road to Reform” plan that will address those findings. In Baltimore, he implemented reforms required by a consent order established in 2017 between the city and the DOJ.

“When I took on this role, the department was under DOJ scrutiny, facing significant challenges,” Sullivan noted, expressing his dedication to reducing crime and improving community trust throughout his tenure.

Sullivan came to Phoenix following intense DOJ scrutiny, which concluded in June 2024, indicating that the Phoenix Police Department frequently used excessive force and discriminated against people of color, violating civil rights during protests.

The DOJ investigation revealed alarming patterns, stating that the Phoenix Police Department had one of the highest officer-involved shootings in the country before the investigation. The report highlighted deep-rooted issues in policy, training, and accountability.

Sullivan’s experience seems notable for rebuilding the Capitol Police after the turmoil of January 6, particularly given past issues with internal corruption and favored treatment in disciplinary matters.

Rep. Barry Loudermilk expressed support for Sullivan’s appointment, emphasizing the need for an examination of the department’s internal oversight mechanisms.

In the aftermath of the January 6 protests, which injured numerous officers, the Capitol Police have received significant budget increases as Congress seeks to bolster its ranks against growing threats.

Sullivan’s extensive background in previous law enforcement roles raises hopes for positive reforms in the Capitol Police, especially in light of past controversies and operational challenges.