Nickolas Wilt was shot in the head on his fourth shift as a Louisville police officer

Nickolas Wilt was sworn in as a Louisville Police Officer less than two weeks before he sustained critical injuries in running towards a mass shooter. (Louisville Metro Police Department)

A Louisville police officer who was sworn in less than two weeks ago is in critical condition after stopping a gunman who opened fire at a downtown bank on Monday.

Nickolas Wilt was on his fourth shift as a police officer when his department got the call that a gunman had opened fire.