Chicago police have released surveillance video seeking the public's assistance in identifying an unidentified male suspect wanted for a homicide that occurred in the Humboldt Park neighborhood. The suspect is described as a man seen running across a street in broad daylight while wielding a long gun. According to the Chicago Police Department, the individual allegedly shot and killed a victim around 10:41 a.m. on May 3, 2022, on the 3700 block of West Chicago Avenue. The released footage captures the suspect running through a large puddle and down the sidewalk before firing shots and fleeing the scene. Investigators have not yet disclosed why the video was kept from the public for several years, but they are urging residents in the area to review their own security footage and alert family and friends to the release. Detectives are actively investigating the cold case and are asking anyone with information to come forward. Individuals with tips are encouraged to contact police detectives directly at 312-746-8252 or submit anonymous information online via CPDTIP.com, referencing case number JF228530. The suspect remains at large, and no further details regarding his identity or physical description have been made available at this time. Authorities emphasize the importance of community cooperation in solving this decades-old case and resolving the unresolved homicide.