 They publicise that she has heard his voice in the phone calls and will be able to identify it if she hears it again, hoping that the threat will flush him out in order to try to get her out of the way.Logan now begins to work together with the police, and they finally succeed in cornering the killer, who reveals a surprising motive for his actions.The film was originally cast with George Raft and Bella Darvi as the leads, but Raft reportedly pulled out, citing dissatisfaction with the script.