NEWARK - A Newark father is making a plea for help after his son was killed in an apparent robbery Tuesday night.

Authorities say Bruce Santos Jr. was coming home from work at Newark Liberty International Airport when a man with a gun tried to rob him at a bus stop near the corner of Broad and Camp streets. After a struggle, Santos was fatally shot.

"Please help me find the killer of my son," said Santos Sr. "All I want is justice."

Investigators have installed an electronic billboard near the bus stop flashing a plea for tips to solve the young man's murder.

Anyone with information about the incident can contact the Essex County Prosecutor's Office Homicide/Major Crimes Task Force tips line at 1-877-847-7432.