Gregori Arias, 31, was shot to death inside a South Shore apartment on the evening of June 22, 2025. According to prosecutors, men forced their way into the unit on the 7500 block of South South Shore Drive while Arias and three companions were gathered there. One intruder shot Arias in the chest; moments later another pressed a handgun to the left side of his head and fired. Witnesses scattered and sirens arrived as the attackers fled. Detectives returned the next morning after a tip and found someone had tried to scrub the apartment. Forensic teams used a luminol reagent to reveal hidden blood beneath laminate floor planks and on a radiator cover, and DNA from those stains was linked to Arias via a toothbrush.

Investigators later recovered a cell-phone video showing fresh gaps in the same floor panels where evidence crews had worked and the same furniture and pink-walled bedroom. In a jailhouse account relayed by prosecutors, the suspected triggerman boasted he had finished off Arias as Arias begged for help; witnesses identified that man as the shooter.

Did anyone in the South Shore area see or hear anything the night of June 22 that might help piece together what happened?