
This episode discusses serial killer Israel Keyes, his confessions, and a disturbing letter detailing his crimes. Keyes describes the pleasure he took in killing, emphasizing the power and control he felt over his victims.
Investigators were shocked by Keyes' admission of being a textbook serial killer. He expressed that nothing compares to the intoxicating feeling of controlling another person's life.
A chilling 10-page document written by Keyes is highlighted, which is in all caps, lacking punctuation and paragraphs. This document contains graphic descriptions of his victims and their murders.
Keyes' letter appears to be a goodbye note to his family, adding a personal and haunting layer to his confessions. The episode includes commentary on the disturbing nature of his writings and the impact they have on those who read them.
Israel Keyes confesses to being a serial killer, detailing his crimes in a disturbing letter to his family.

This episode stands out for the following:
There's nothing probably greater than holding the power and control of someone's life.11 Skulls /// Israel Keyes
It's one of the most disturbing things I've ever read in my whole career.11 Skulls /// Israel Keyes