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FOX LAKE, IL - SEPTEMBER 01:  Police officers search an area for suspects involved in shooting an officer September 1, 2015 in Fox Lake, Illinois.   A manhunt for three suspects is underway after an officer from Fox Lake Police was shot and killed this morning. (Photo by Scott Olson/Getty Images)
FOX LAKE, IL - SEPTEMBER 01:  Police officers search an area for suspects involved in shooting an officer September 1, 2015 in Fox Lake, Illinois.   A manhunt for three suspects is underway after an officer from Fox Lake Police was shot and killed this morning. (Photo by Scott Olson/Getty Images)

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    Police expand search area in hunt for suspected killers

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Police expand search area in hunt for suspected killers

Police are expanding the search area in their manhunt for the three men suspected of killing Lieutenant Joe Gliniewicz. CNN's Rosa Flores reports.

Police expand search area in hunt for suspected killers

Police are expanding the search area in their manhunt for the three men suspected of killing Lieutenant Joe Gliniewicz. CNN's Rosa Flores reports.