The 23-year-old was walking north about 9:15 p.m. when he heard gunshots in the 2300 block of South Rockwell, Chicago Police said.
Officers responded to a call of shots fired at 8:32 a.m. in the 2400 block of South Sacramento and found the 19-year-old man in an alley.
At 1:50 a.m. July 24, a friend found the 52-year-old man dead in an abandoned building in the 2700 block of South Komensky.
Police are warning business owners on the Northwest and Southwest sides about recent robberies that could be related.
He was shot in the leg at 3:56 p.m. in the 2500 block of South Troy, according to Chicago Police.
Two teenage boys were among three people shot Saturday night in the Little Village neighborhood on the Southwest Side.
Two men were wounded in a shooting Monday night in the Little Village neighborhood on the Southwest Side.