chandrika creech clammed up. but there's more than one way to get a story. ech's, someone that knew chandy and convinced him to wear a wire and meet with her. it worked. >> do you want to know the story? >> yeah. >> reporter: once chandy felt safe, she spilled it. all of it. how she and gavin met in secret at that secluded cul-de-sac. got close in gavin's car. >> all of a sudden the door opens and john just goes like -- and i was like, i pushed myself out this way, got out the driver's side. >> reporter: creech burst in like a machine said chandy, started slugging, wouldn't quit. >> i was like, stop it, you're going to kill him. i was like screaming my head off. he comes out of the car and he goes like "you're next." and then i drove off. >> reporter: she was terrified, she said, afraid he'd kill her too or tell the cops she set the whole thing up. so, did she? again and again the detectives listened to the undercover tape. >> i believe 100% that she did not know that was going to happen and she did not set it up. >> reporter: but, they wondered, did she help