This 2006 image provided by the Monroe County Sheriff's Department shows William H. Spengler Jr., 62, who served 17 years in prison for the 1980 slaying of Rose Spengler, 92, inside her home. Authorities say Spengler set a house and car ablaze Monday, Dec. 24, 2012 in Webster, N.Y., and then opened fire, killing two firefighters and wounding two others. After exchanging gunfire with police, Spengler also killed himself. (AP Photo/Monroe County Sheriff's Department )
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