and that, a few weeks later, is where the ring came in. that's when roarer got a call from nebraska, heard how that ling turned up at the scene of a double murder, heard how they tracked it back to the walmart in beaver dam and then to cori and ryan and the stolen truck. that must have been a shocker to get that information, to have it cross your desk. >> a huge shocker. that pretty much sends a chill down your spine. >> reporter: what was going on? how were these two teenagers, reid and fester, tied to the murders of wayne and sharmon stock? or were they at all? an interrogation of one of the teens provides a chilling first glimpse of what may have happened inside that farmhouse. coming up -- >> so i freaked out and left because obviously that guy's up there killing somebody. >> when "in the dead of night" continues.