An Oregon man accused of pushing his fiancée off a steep cliff during a hike nine years ago tells Peter Van Sant what may have happened that fateful day, in an unusual interview for 48 HOURS:

Alyssa Beck was a 15-year-old Jacksonville, Fla., runaway looking for a way out of her family home. She ran right into the hands of a violent sex trafficking group. Beck reveals her fight for survival and the horrors she faced.