Marco Velasquez-Sierra, 36, was found with a gunshot wound to the head late on July 4, 2025, in Chicago’s West Englewood neighborhood. Officers located him about 11:55 p.m. in the 6400 block of South Winchester Avenue; he was taken to the University of Chicago Medical Center and pronounced dead. The Cook County medical examiner and police described the fatal head wound as consistent with a shooting.

The incident occurred near the close of the Fourth of July holiday during a spike of violence citywide; police reports put at least 44 people shot and six killed across Chicago between July 3 and July 6. As of the reports published that weekend, no arrests had been announced and detectives with CPD’s Area One were investigating without releasing a suspect description.

Did anyone in West Englewood that night see or hear anything that could help investigators?