murders of sam and julie, and realized they happened on the same day as his weird meeting with dan and rachel. chris immediately called police. we were shocked to learn it. and again, we went back and said, hey, you know, rachel didn t tell us any of this the day before. reporter: so detectives interviewed rachel again, this time not as a witness, but as a suspect. why don t you tell me why you forgot to tell me about this? because honestly i was afraid that if you knew that chris had seen us that day, i don t know who chris knows, and i don t know if chris knows anybody bad. i m kind of afraid. did you think we were not going to find out? they ll come to me. we were going to find out? i guess not. i m a little bit afraid for my safety. reporter: remember, chris had told dan and rachel the money he lent them came from other