Ill. man sentenced to 4 life terms in '07 killings

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FILE - This undated file booking photo provided by the Will County Sheriff's Office in Joliet, Ill., shows Christopher Vaughn, of Oswego, Ill. On Monday, Nov. 26, 2012, a judge in Joliet is scheduled to sentence Vaughn for the June 2007 killing of his wife, Kimberly Vaughn, 34 and three children: 12-year-old Abigayle; 11-year-old Cassandra and 8-year-old Blake, in the family's SUV as they drove to a waterpark. (AP Photo/Will County Sheriff's Office, File)

JOLIET, Ill. (AP) — A judge has sentenced a suburban Chicago man to life in prison for killing his wife and three children because he allegedly wanted to start a new life subsisting in the Canadian wilderness.

Tuesday's sentencing of Christopher Vaughn comes two months after jurors found him guilty of murdering 34-year-old Kimberly Vaughn and their children — 12-year-old Abigayle, 11-year-old Cassandra and 8-year-old Blake.

Prosecutors say the 37-year-old computer specialist planned the killings because he saw his family as an obstacle to his dream of a new life. He shot them in the family's SUV in June 2007 during what he said was a surprise trip to a waterpark.

The judge sentenced Vaughn to four consecutive life sentences with no chance of parole. He made no statement in court.