Rex Heuermann, an architect suspected in the Gilgo Beach killings, allegedly created a detailed document outlining his methods for selecting, killing, and disposing of victims. This document, recovered from Heuermann's home, provides investigators with substantial evidence. The document covers a wide range of topics including the preparation of victims' bodies, methods to avoid apprehension, and the removal of trace DNA. The document is believed to represent Heuermann's "self-education and 'homework'" on carrying out serial murders, showcasing his meticulous planning and obsessive attention to detail.

Become a supporter of this podcast: https://www.spreaker.com/podcast/murder-files-unsealed--6017387/support.