New Orleans Police Department Harrison joined the
New Orleans Police Department in 1991. He became a sergeant in the Major Case Narcotics Section in 1995, a sergeant for the Eighth District in 1999, and Sergeant of the Public Integrity Bureau in 2000, in which he participated in
covert investigations against officers. During one such mission, he posed as a corrupt officer to help take down corrupt officers and a drug ring. In 2006, he was appointed Lieutenant of the Public Integrity Bureau. In January 2009, he was appointed Lieutenant and Assistant District Commander of the Seventh District, before returning to the Public Integrity Bureau in 2010. He became Commander of the Specialized Investigations Division of the Public Integrity Bureau, which manages the
narcotics,
vice,
criminal intelligence, and
gang enforcement units, in January 2011. In 2018, while he was superintendent, New Orleans saw 146 homicides, the lowest figure since 1971, a 28% drop in lethal shootings, while car robberies and thefts had increased in the double digits.
Baltimore Police Department While
Gary Tuggle was acting commissioner following the resignation of
Darryl D. DeSousa, a search panel recommended Harrison, however, Harrison declined, saying he was committed to New Orleans. Mayor
Catherine Pugh chose Joel Fitzgerald, the chief of the
Fort Worth Police Department, to become commissioner. Fitzgerald, however, withdrew his candidacy due to resumé issues and a medical emergency involving his son, While commissioner, he claimed a decrease in homicides and non-fatal shootings. On June 6, 2023, during a budget hearing,
Baltimore City Council member Eric Costello asked Harrison if he planned to stay for the entirety of his term as police commissioner. Unhappy with his answer, he reiterated his question twice, then, still dissatisfied with his answer, abruptly called a five-minute
recess. Harrison denied rumors that he was going to
Washington, D.C., at the end of his contract. On June 8, 2023, Mayor
Brandon Scott, after "numerous conversations over the past few weeks," announced Harrison's resignation and the appointment of deputy commissioner
Richard Worley as acting commissioner, the 11th change of power since 2000. He said he has no offers, had not been interviewed for any jobs, and wants to "breathe". == Personal life ==