Authorities realized they were pursuing a serial killer when DNA evidence tied Resendiz to Benton's murder and the killings of a church pastor and his wife who were beaten with a sledgehammer as they slept in their house near tracks outside Houston. Maybe Resendiz knocked on the door pretending to be seeking help. Appellant then sexually assaulted Frederick . She was killed . This SOB murder killed a father and daughter, so you think he would be deterred by fido!