A man turned himself in to Cottonwood Police Saturday after he admitted to killing his wife at their Black Canyon City home on Friday. Yavapai County Sheriff’s officials went to the home of 64-year-old Donald Scott and found the woman, 53-year-old Michelle Scott dead inside. Donald claimed ongoing marital disputes over the last several months is what led to the assault. The weapon involved was a knife that has been recovered. Scott was booked into the Camp Verde Detention Center on first degree murder. He is being held without bond. The case is under investigation.