FILE - This undated file booking photo provided by the Will County 

FILE - This undated file booking photo provided by the Will County Sheriff's Office in Joliet, Ill., shows Christopher Vaughn, of Oswego, Ill.  A jury convicted Vaughn Thursday, Sept. 20, 2012, in Joliet, Ill., of murder in the fatal shooting his wife and three children in June 2007. Jurors took less than an hour to reach the verdict against Vaughn. (AP Photo/Will County Sheriff's Office, File)
Associated Press
FILE - This undated file booking photo provided by the Will County Sheriff's Office in Joliet, Ill., shows Christopher Vaughn, of Oswego, Ill. A jury convicted Vaughn Thursday, Sept. 20, 2012, in Joliet, Ill., of murder in the fatal shooting his wife and three children in June 2007. Jurors took less than an hour to reach the verdict against Vaughn. (AP Photo/Will County Sheriff's Office, File)
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