Transcript for Hear this chilling phone call with serial killer John Robinson
Suzanne very close for other. And when she disappeared. Within a few days for mother became worried. And it should contacted John Robinson. Who is number of zoos that have left. Now I got went I got a little bit Liggett post garden. Drama and I. 100 injure. They are trying to communicate with him to give him assertiveness course she's she's you know. She still around brawler tape recorder and children uses and we were hoping to. You orchestrate with her some sort of phone conversation. Where Caroline. Get some information that would help us understand what happens so help us understand. What else may be going wrong. We haven't heard anything I've got over that I am really getting chairman of the garden of don't know. I wouldn't get near to you. John Robinson told. Suzanne had actually left someone else that you couldn't take good job. She was gonna go away was someone else. And travel the world. I haven't fully allowing them all mean. Well I know what I understand there. Somewhere and you and you call. In in that conversation and you're able to hear all Siemens C Jones wheels turning. Moms call about her missing daughter are doing over. This man really lingering over the album I don't know I have. You probably heard from them why. They haven't heard about my dead body and very you know big girl.
This transcript has been automatically generated and may not be 100% accurate.