A Kokomo man took his own life after police say tied up his stepdaughter and made her watch as he stabbed her mother. Police responded to the couple’s home after receiving the 911 call. When they arrived, they found 39-year-old Mark Campbell dead from an apparent self-inflicted gunshot wound. They also found his 33-year-old wife and her 10-year-old daughter. The mother was last listed in critical condition. The girl did not receive any physical injuries.