A 35-year-old man was stabbed in the neck and later died from his injuries, police said.
Police say they have a person of interest in the case and are searching for the suspect.
East St. Louis Police Capt. Bobby Cole said the fatal stabbing occurred at 4:40 a.m. Monday at 1235 McCasland, in the John DeShields housing complex. The victim, who has not yet been identified by police, was found outside on the ground near building 38F.
Investigators were on the scene Wednesday canvassing the area following up on leads they have developed. Anyone with any information regarding this crime is urged to call East St. Louis Police, Illinois State Police or Crime Stoppers at 1-866-371-8477.