Did one man's dream lead him to a missing girl's body?

Damon Thibodeaux was sent to death row for the 1996 murder of Louisiana teen Crystal Champagne, but hear to what the man who found the 14-year-old's body had to say. John Tomlinson tells "48 Hours"' Erin Moriarty what led him to look for Crystal in a place no one else had been searching.