Monday , the affidavit said , Durcho went to the home of another cousin , a female , and told her `` he was in trouble and that he was headed out of state . '' NEW : Witness describes suspect 's actions after murder . Mother , found strangled with ligature , autopsy shows . Suspect arrested after murder in Texas . Family found dead in Oklahoma City on Monday .
NEW : Witness describes suspect 's actions after murder . Mother , found strangled with ligature , autopsy shows . Suspect arrested after murder in Texas . Family found dead in Oklahoma City on Monday .