Overview
- Newly released footage shows a man in a purple Nike tracksuit with a gray jacket and black Air Force Ones pointing a handgun in a crowded downtown street.
- Detectives link the images to the shooting that killed 14-year-old Armani Floyd, who was pronounced at Northwestern Memorial Hospital.
- The killing followed an earlier attack outside the Chicago Theatre that wounded seven teens, with a separate round of gunfire later injuring an 18-year-old.
- Police say thousands were downtown after the city's Christmas tree lighting, and officials noted social-media posts about a large teen gathering.
- Rewards totaling up to $15,000 have been offered for information leading to an arrest, and investigators are asking the public to share tips.