30-Year-Old Kamari McMillen Fatally Shot at 69th Street CTA Station

A woman was shot and killed Tuesday night after an argument on the CTA Red Line platform at the 69th Street station, according to Chicago police.

The shooting happened around 9:46 p.m. when Kamari McMillen, 30, got into an argument with another woman on the platform.

Police said the suspect pulled out a firearm and shot McMillen in the neck before running away.

Emergency responders rushed McMillen to the University of Chicago Medical Center, where doctors tried to save her.

However, she was later pronounced dead.

Chicago police launched an investigation into the shooting, with Area One detectives taking the lead.

By 10 a.m. Wednesday, authorities confirmed they had a person of interest in custody.

 It is unclear what led to the argument or whether the two women knew each other.

Police have not said whether surveillance footage captured the shooting or if there were any witnesses.