Officer Alec Iurato was shot in the leg, but he still managed to fire the shot that killed Nicholas Brutcher, the gunman who killed two officers, the authorities said.
A third officer was seriously wounded in the shooting in Bristol, Conn., which came as the officers were responding to a domestic violence call, officials said.
Police in Connecticut are searching for two suspects they said stole more than $30,000 in rare coins and cash from a dealer they followed from a trade show.