i'll take you to the last place that she was. >> so this is a big moment now. >> yup. >> in this whole case. this is it. >> yup. that's when we load him up and we start going to cabot, arkansas. >> beverly's family prayed this nightmare was about to end. >> did you know that aaron louis was saying your mom was alive? >> yes. we knew that after they had him and they were interrogating him. >> there was a big boost of energy. when he was telling us, it was so uplifting. we were like, okay, we're about to get her back. it's great. >> is everybody sit big the phone, waiting for the call, we got her? >> mm-hmm. pacing. >> louis led detective allison on a nail-biting road trip 30 miles out of town to the last place he claim to have seen beverly alive, a shed on the side of the road. >> what are you thinking as you are approaching the shid, that