What happened to Ashley Loring Heavy Runner? Preview Dateline: Missing In America Season 5

Hey Dateline fans, here's a special preview of the next episode of Dateline: Missing in America Season 5. In "Secrets in Big Sky Country," Josh Mankiewicz reports on the disappearance of 20-year-old Ashley Loring Heavy Runner. On June 5, 2017, Ashley reportedly went to a couple of house parties on the Blackfeet Indian Reservation in Browning, Montana. The ne…