The alleged abduction of the California mom captivated the world. Years after being found, we examine if it was the work of sex traffickers, the cartel or if she was even abducted at all. Plus, inside the world's most dangerous amusement park – Action Park.

After being convicted of killing his fiancée and enlisting his girlfriend to clean up the crime scene, could Patrick Frazee’s disturbing prison letters reveal new details in the case?