chandrika creech had clammed up. but there's more than one way to get a story. creech's, someone who knew chandy. they convinced him to wear a wire and meet with her. it worked. >> do you want the whole 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. >> and then all of a sudden the door opened, and johnny just goes like -- and i just like 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. >> and i was like, stop it, you're going to kill him -- i was like screaming my head off. and then he comes out of the car and he's 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,

an important witness who wouldn't talk, chandrika creech had clammed up. e's more than one way to get a story. they found an associate of john creech's, someone who knew chandy. they convinced him to wear a wire and meet with her. it worked. >> do you want the whole 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. >> and then all of a sudden the door opened, and johnny just goes -- and i just like 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. >> and i was like, stop it, you're going to kill him -- i was like screaming my head off. and then he comes out of the car and he's 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 w