The Chicago Police Department launched an internal investigation into the incident Thursday at the Leighton Criminal Courthouse.

Sheriff's deputies took the weapon, quickly identified the officer it belonged to — who was still in the courthouse — and gave the gun back.

CHICAGO - A suburban man was arrested and charged in connection with a traffic crash that injured a Chicago police officer and for allegedly driving drunk on the city’s West Side over the weekend. The incident happened a little after midnight on Sunday morning in the Austin neighborhood, according to Chicago police.

A 46-year-old woman and her son were walking near the AMC River East movie theater Sunday night when the woman was shot in the arm.

Shots rang out near the AMC River East 21 movie theater hitting the 46-year-old Connecticut tourist trying to cross the street with her 11-year-old son, police said.