. >> john boyer is a truck driver who actually worked at a couple of different locations here inton. >> boyer no longer lived in the area. he had been interviewed by police after scarlett disappeared. >> they were partying and drinking, scarlett wanted to leave. and he said he didn't want to leave and she left. >> boyer said she left around 3:00 a.m. on foot. at the time, no one really believed boyer's story, that scarlett would have walked home seven miles away in freezing cold temperatures. >> she was not equipped for the cold. it was about 17 degrees that night. i believe she had on just a pair of jeans and with a light coat. >> but john boyer had no criminal history and he and scarlett were acquaintances. >> she used to baby-sit his ex-girlfriend's children. so he had a personal relationship with her. >> scarlett's friends, however, despised him. >> my father had his own trucking business. so we knew about this man. he was really big. he drank a lot. and he just -- he acted fine, but i just -- there was something about him i just didn't like, i didn't trust. >> investigators