This classic episode of 48 Hours, which last aired on 9/13/2014, tells the story of Lauren Astley, a popular teen whose last encounter with her football player ex-boyfriend proved to be fatal. Their two families were forever changed. The history of their relationship was examined through interviews with friends, police investigators, Nathaniel’s uncle and Lauren’s parents. "48 Hours" contributor Tracy Smith investigates. Watch all-new episodes of 48 Hours on Saturdays, and stream on demand on Paramount+.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.