A charming jazz musician with a philosophical streak. A series of brutal, seemingly unrelated murders. In this episode, we uncover the disturbing double life of Melvin Rees—known to the press as "The Sex Beast"—and the investigation that nearly let him slip away.

Source Materials

The encyclopedia of serial killers : Lane, Brian : Free Download, Borrow, and Streaming : Internet Archive

Melvin Rees -- a little known but deadly sadist and rapist — Without a Trace — Crime Library

To Live and Die in Chicago: 7 Prohibition Era Gangsters Who Met a Violent End in the Windy City

Serial Killer Diaries | Psychology Today

FBI Records: The Vault — Melvin Rees

Melvin Rees | Murderpedia, the encyclopedia of murderers