( CNN ) -- A Chicago police officer processing a burglary scene and another person were fatally shot Friday afternoon , police said . The officer , an evidence technician , died at 2:30 p.m. , one hour after the shootings in the 8100 block of South Burnham Avenue , said Police Superintendent Jody Weis . Police identified the officer , a father of four , as Michael Flisk , 46 . Another man also died , Weis said , adding there was no information on a motive . The second victim was a retired Chicago Housing Authority officer , CNN affiliate WLS reported . `` The thought that someone can shoot and kill a police officer is unacceptable , '' Weis said . `` We will find those responsible . We shall squeeze that neighborhood and we will find who did this . '' The gunman is described as a black male wearing a gray thermal shirt , a blue vest and a gray skull cap , according to WLS . Flisk was collecting evidence at a garage involved in a burglary , Weis said . The officer was a 19-year veteran of the police force and is survived by his wife and four children . He also has three siblings serving in the department . Flisk received 67 awards during his career , police said . The Chicago Police Memorial Foundation offered a $ 10,000 reward late Saturday for information leading to the arrest and conviction of whomever killed Flisk . The officer is the sixth to die in the city this year , according to WLS . Officer David Blake was shot to death inside his car Monday while off duty .
NEW : Reward offered in officer 's death . Slain officer identified as Michael Flisk . A Chicago evidence technician is fatally shot along with another man , police say . A gunman is being sought ; no details on the circumstances of the shooting have been released .