debra hollowell: right around that area over there. narrator: it was the studio where richelle and dr. sonnier went dancing. woman: i would see him outside quite often when i would take my smoke breaks, hiding behind a semi truck. i felt like he was just really staring over in our direction. narrator: her description could fit shepard as well. she said he was big and shaggy. he was just staring. and that gave me such a bad feeling. narrator: there was yet another detail reynolds had for the detectives, the handsome reward shepard said dixon offered him to kill dr. sonnier. dixon gives him a silver bar as an advance, and he gives it to him around father's day. detective (over phone): this bar of silver-- narrator: sheriff's deputies were monitoring the interview as it happened. zach johnson: well, one of those deputies gets on a computer database, types in david shepard's information, and there you go. there's a silver bar that david shepard sold in amarillo, texas, around father's day. we have it confirmed. narrator: police were convin