Mark Diffin

Murdered

Mark Diffin, a 33-year-old man from Tulsa, Oklahoma, was killed on February 5, 2011. The incident took place in his residence, and the victim was discovered deceased after a violent confrontation. The case initially faced challenges as the primary suspect, Michelle Millikin, was deemed incompetent to stand trial in 2013 after several mental health evaluations. As a result, the charges against her were dismissed, and she was committed to the Oklahoma Forensic Center for treatment.

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