@rsanders27
1. The Merritts were on their way home and stopped there to get a drink. The store had lights on inside just not all, so easy to overlook. I do remember there being soda machines outside.
2. It was a white pickup and they did find the owner (in 2005 I think) They were working with the railroad from out of to.
3. Barrintine killed his own credibility, with his multiple stories and trying to insert himself in the the investigation. IMO he waste a lot of the PD's crucial time in the beginning.