Out: Richard Pennington
In: George Turner (interim)
Why: Pennington had battled with the city's police union, who questioned his absence during several high-profile crimes, including the killing of a 92-year-old during a botched drug raid.
Out: David Kunkle
Why: In November, Kunkle announced he would retire by April after more than five years as chief. Kunkle said it was the "right time to go," after 38 years with a department where he started as a patrol officer.
Out: James Barren
In: Warren Evans
Why: In August, Evans took over a city that was at the top of the nation in homicides and violent crimes. A former sheriff, he promised to tame the "wild wild West" climate.
Out: Harold Hurtt
Why: Houston's mayor-elect Annise Parker called for new police leadership in December after criticizing the command staff for a 40 percent budget increase over six years without hiring additional officers.
Out: William Bratton
In: Charlie Beck
Why: Bratton left in October, following the lifting of the consent decree imposed after the Rampart scandal. He took a job at a private security firm in New York, where he had previously served as police commissioner.
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