Luis A. Perez, a 43-year-old Hispanic man, was shot dead in Chicago on April 19, 2015. He was found late at night with multiple gunshot wounds in a neighborhood identified as having high crime rates. Initial accounts indicated the shooting may have been a targeted attack, possibly tied to gang activity or a personal vendetta.

Chicago police opened an extensive investigation, interviewing witnesses and canvassing the area. Several persons of interest were developed and there were arrests in the months after the killing; some suspects with known gang ties were taken into custody and some charged on unrelated offenses as part of investigative efforts. Those steps produced limited results, and challenges including scarce direct evidence and community reluctance to come forward left the case unsolved at that stage.

The investigation continued amid repeated court hearings and motions as prosecutors tried to build cases from mostly circumstantial material. The killing underscored local concerns about violence and the difficulties in securing cooperation from witnesses. If anyone has information about Luis Perez or the events of April 19, 2015, please come forward.