Police confirmed that the only person who fired a weapon during the chase was an officer, "whose gunfire unintentionally struck Officer Rivera."

Chicago police Officer Krystal Rivera was mistakenly shot by a fellow cop during a confrontation with an armed suspect that took her life Thursday, police have announced. In a statement late Friday, the department released a statement saying an investigation had reached the conclusion that Rivera was struck by friendly fire.

Shouldn’t have done it, it was way too soon before we had any real information,” San Antonio Police Chief William McManus admitted in a Thursday press conference.