YORK, Pa. — Three police officers were killed and two others left critically wounded in a shooting in North Codorus Township in York County, Pa. on Wednesday.

The five officers who were shot were following up on a domestic-related investigation that began on Tuesday. Two other officers were left in critical condition and the gunman died at the scene.

At a press conference Thursday afternoon, York County District Attorney Tim Barker identified the three fallen officers as:

Detective Sgt. Cody Becker

Detective Mark Baker

Detective Isaiah Emenheiser

Barker said that a fourth Northern York County Regional Police Department detective and a deputy sheriff from the York County Sheriff's office were shot and left critically injured.

Here's what we know about the shooter

The man who fata

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