Suspect killed after stabbing a Fresno detective in the head

New bodycam video shows the shocking moments a man attacked a Fresno police detective and the deadly shooting that followed.

On Wednesday, the Fresno Police Department released the video of the moment after Joseph Roy entered into department headquarters on March 29th.

He walked into an office with a knife and stabbed the detective in the head.

The detective grabbed his gun and shot and killed Roy.