when christian vanished. oh got. my young life went out the window. it was tense, we were nervous, we were scared. i m starting to believe that there might be more to this than just a missing person. where was he? did someone have something to hide? there was blood under the car. a lover triangle. a circle of friends. was one of them a killer? this was planned. this was on purpose. how could you do something so horrific? hello, welcome to dateline. highschoolers, erica freeman i like three peas in a pod. after graduation, they even picked colleges in the same city. then one of them went missing. when last seen in a dangerous part of found. as the hours past, the mystery deepens, they uncovered a hidden truth, one they believe might be a motive for murder. here is denis murphy with circle of friends. remember going away to college? maybe your first time away from home. there were new friends to be made. oh, god. the first kiss was amazing. i thought
details. that was the worst day of my life that i found out about my mom. a loving couple. a romantic hike. a secluded spot. she was turning to look at the bird. it s like her feet just went out from under her. all of a sudden i hear yelling coming from downstream. there was mrs. muller floating face up. a wife falling to her death. her husband falling apart. he was panicking and shaking. crying. the evidence at the scene makes you believe something entirely different happened. he told me she fell 20 feet. where were the injuries? why did i not see what i expected to see? a search for truth in the woods and water. if your theory is right, it is. loo like she was being hunted. almost like a hare and a wolf. two chilling accounts of what happened to the mom they adored. one seemingly unsolve able mystery. you either believe crazy story a or crazy story b. both stories are crazy. which one do you want to go with? winding down a mountain in southwest col
a few times. it had today have been from some of that. there is no other explanation. that is factual. there was no altercation. no, ma am. no, ma am. look at her fingernails if you think there is something in her nails missing off my face. it didn t happen. there was no altercation. write it down. none. reporter: for now, it seemed that was all the agents could do. document fred s story and let him leave. i m sorry to be crude. time is 11:23. i m turning off the recorder. reporter: investigators have their theories but did they have a case? fred went home to texas where his family thought that would be the end of it. his entire philosophy through all of this was it was an accident. i m telling the truth. he wanted to help them see that. reporter: but investigators hadn t seen that. not at all. if fred couldn t answer their questions. they would head back to
there it was, blood. now they believe he hasn t just punched out christian, they believe he killed him. a week after, he was charged with first degree murder. with the blood evidence, the backpack being hidden and him being away and not heard of for so long. we upgraded the charge to murder. pedro, your high school boyfriend is now charged with the first degree murder with the guy you are describing as the man of your life. yes. that s exactly what happened. very strange, strange life i have. there is an axiom, no body, no case. investigators hadn t found his body. what else were they finding out about pedro bravo. coming up, the case heads to court. the star witness. i didn t want to see him or be around him.
police thought they had the rite person. they arrested shannon and charged her with the murder. investigators hadn t completely taken their eyes off him. the man who was involved simultaneous with both women. shannon s father, her mother. and her brother never doubted her. is it possible that you don t want to believe she s a murder. no. she s not a murderer. not in her nature or character. i thought she was lying about it. i wouldn t be on camera saying that. i wouldn t be sitting here. in may of 2007, shannon was out on bail. she and her attorney walked into the police station. this wasn t just another interview. shannon was prepared to share