There are many ruses serial killers use to lure victims. I've noticed similarities between killers. Certain cons seem to have been used multiple times. This episode is an example of one of serial killers' many tricks.
Sources include:
https://www.truecrimeedition.com/post/harvey-glatman
https://en.wikipedia.org/wiki/Harvey_Glatman
https://www.youtube.com/watch?v=hDQCZKSWILM
https://www.youtube.com/watch?v=zulq_Lio1D8&t=799s
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