Chicago police increase reward for information on fallen officer's killer

December 29, 2012 (CHICAGO)

Saturday marks the first anniversary of officer Clifton Lewis' death. He was shot and killed during a robbery at a convenience store in the West Side.

Officials are now offering $40,000 to anyone who can lead them to the killer.

Two people have been arrested in the case, but the shooter is still believed to be at large.

Copyright © 2019 WLS-TV. All Rights Reserved.