Officer Benjamin Perez was struck and killed by a commuter train while conducting a stakeout on the west side.

Officer Perez and his partner were on a railroad trestle above Spaulding Avenue when a train approached. Officer Perez’s partner was able to jump to safety, but Officer Perez was pulled underneath the passing train.

Officer Perez is a 4 year veteran of the Chicago Police Department; He is survived by his wife and three children.