UPDATED with victim's identity.
Police on Monday identified a man fatally shot the day before as Darris D. Williams, 39, of the 1200 block of Melvin E. Collins Walkway.
Williams was found dead shortly after 5 a.m. Sunday in the 3300 block of North Florissant Avenue. He had been shot in the head.
The shooting was the city's Hyde Park neighborhood. Police had no suspect information.
There have been 121 homicides in St. Louis so far in 2019, up from 112 at the same time last year, police said Monday.