A private security guard working at the Jefferson Park CTA Terminal, 4917 N. Milwaukee Ave., reportedly returned fire after a group of three people started harassing him and then fired their guns toward him during an incident at about 5:15 a.m. Saturday, Aug. 15, according to Chicago police.
Officers reported finding 23 shell casings and one bullet fragment in the area after the incident, according to police. One bullet reportedly struck the glass door of a nearby business on the north side of West Gale Street, as the damage was still visible days after the shootout.
One of three reported assailants was arrested after he was seen walking nearby in the 4900 block of North Lester Avenue in Jefferson Park, police said…