>> 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. he was like 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, the last place he claimed to see beverly alive. >> what are you thinking as you're approaching the shed? there's a really good chance she could be here or you're not so sure? >> i'm hoping like hell she's there. we go in and she had never been in there. >> that's such a letdown. >> tell me about it. it was bad. it was bad. >> but louis wasn't done. he had a captive audience and he knew it. he took the police to a new