CHICAGO (WBBM) – Police are looking for the person who shot and killed a man sitting on a park bench in Hamilton Park, on the city’s South Side.

It was Friday at 9:30 p.m. when the gunman fired the fatal bullet from behind the Hamilton Park Field House. It struck Tyrone Robertson, 20, of the 10600 block of South Wentworth Avenue, in the neck.

LISTEN: WBBM Newsradio’s Bob Roberts Reports

He was pronounced dead within an hour at Saint Bernard Hospital. Wentworth Area detectives say Robertson had both gang affiliation and a police record.

No one was able to get a good look at the gunman, who escaped the area on foot.

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