Crime Files: Lake Mead murder mystery; dating app meet up goes wrong

Our top crime stories from the week of May 16: Police say a man shot and killed his girlfriend, then drove her to a hospital; a suspect on the run after stabbing a man in Glendale; bodies found due to Lake Mead's low water levels; a man is accused of intentionally hitting a woman with his car; and a dating app meet up involving a blind woman lands a man behind bars.