Overview

• Aaron Zawadzki, 21, of the 3500 block of South Western Avenue, is charged with murder and was set for a Saturday afternoon detention hearing.
• Police say surveillance review shows the 26-year-old victim leaving the station as a man and woman followed, then running before collapsing.
• At a September 10 community meeting, officers said the victim allegedly harassed the man and his girlfriend on the Roosevelt platform and exposed himself to the woman.
• Investigators report the group exited at 35th/Archer, the shooting occurred just outside camera range, and the man and woman left on a scooter.
• A CTA worker heard a gunshot but waited about 10 minutes to call 911, a single 9mm shell casing was found, and the city’s ShotSpotter system had been decommissioned last year.