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Chicago Police Superintendent John Escalante, right, listens to Chicago Mayor Rahm Emanuel during a news conference about new police procedures on Wednesday, Dec. 30, 2015, in Chicago. Emanuel says every Chicago police patrol car will be equipped with a Taser following a series of high-profile shootings by officers.

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Mayor says Chicago police changes will focus on use of force

CHICAGO (AP) — Mayor Rahm Emanuel said Wednesday that Chicago police must be better trained to distinguish between when they can use a gun and when they should use a gun, after a series of shootings by officers sparked protests and complaints that police are too quick to fire their weapons.