August 11, 2015 6:36 pm Suburban Authorities Warn of Robber Posing as Police Officer Suburban police have warned residents of a robber that they say has targeted victims while posing as a police officer. NBC 5’s Regina Waldroup reports. Local 3:10 Suspect charged in killing of Chicago police officer faces additional charges 2:03 Prosecutors detail how Calumet City cold case unfolded, with suspect finally arrested 0:54 Richest person in Illinois revealed in new Forbes Magazine ranking 1:45 Video shows arrest of suspect in CPD officer Luis Huesca's murder 2:25 Thursday afternoon forecast