Student arrested in Mississippi murder of Ally Kostial; Dad kills daughter's boyfriend over drugs; more

This week: A Mississippi college student is found dead miles away from home before anyone knows she's missing, and a fellow student is arrested. What sparked this apparent crime of rage? A Pennsylvania dad guns down the guy supposedly feeding his teen daughter drugs - but police say he got all the details wrong. Investigators unravel one mystery and discover more after a Louisiana woman brings her dead daughter to the E.R., claiming there had been an accident. An Iowa man storms off into a blizzard one night in 2009 without his shoes or his keys, and vanishes. They finally found him - in the last place they looked.See omnystudio.com/listener for privacy information.