Gerald Garner

Phil Kovacs

Video: Chicago Mourns Slain Police Commander

Flags fly at half staff and Cmdr. Paul Bauer's 18th District is draped in black and purple. A memorial filled with flowers and balloons pays tribute to the commander, who gave his life for the safety of Chicago.

Anton Riecher

Frank Leiter

Gary T. Klugiewicz and Dave Young

David Kahn

John Richter

Andrew Mills