About a month earlier, on Aug. 1, a 28-year-old man died after being shot in the head in the 3900 block of West 68th Street about 2:10 p.m., according to police. The man was taken in serious-to-critical condition to Advocate Christ Medical Center in Oak Lawn and was pronounced dead later that day. Authorities identified him as Miguel Diaz, of the 3900 block of West 69th Street.