Story highlights Danville Officer Thomas Cottrell's body was found behind the village's municipal building

His ex-girlfriend called dispatch to say he was looking to kill an officer, authorities say

(CNN) Minutes before Officer Thomas Cottrell was killed, police received an ominous call.

A woman in Danville, Ohio, said her ex-boyfriend took off with his weapons Sunday night and was looking to kill an officer, the Knox County Sheriff's Office said.

But less than 30 minutes later, Cottrell's body was found behind the Danville Municipal Building, the Sheriff's Office said. His weapon had been stolen, and his police car was missing.

Authorities say Herschel Jones III killed Officer Thomas Cottrell after reportedly telling his ex-girlfriend he was going to kill an officer.

Authorities identified the suspect as Herschel Jones III. After a brief foot chase, police arrested him.

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