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In page Video game addiction:

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Ohio teenager Daniel Petric shot his parents, killing his mother, after they took away his copy of Halo 3 in October 2007. In a sentencing hearing after the teen was found guilty of aggravated murder, the judge said, "I firmly believe that Daniel Petric had no idea at the time he hatched this plot that if he killed his parents they would be dead forever."[2][3] On 16 June 2009, Petric was sentenced to 23 years to life in prison.[4]