Thirty-six true crime stories of murder and mayhem. Listeners love this three-book collection, containing volumes four, five, and six.

I start all of my true crime books with a quick word of warning. Most news articles and television true crime shows skim over the vile details of truly horrible crimes. In my books, I don’t gloss over the facts, regardless of how disgusting they may be. I try to give my listeners a clear and accurate description on just how demented the killers really were. I do my best not to leave anything out. The stories included in these books are not for the squeamish.

The names of notorious serial killers are usually well-known; they echo in the news and in public consciousness. But most people have never heard of Israel Keyes, one of the most ambitious and terrifying serial killers in modern history American Predator is the ambitious culmination of years of interviews with key figures in law enforcement and in Keyes's life, and research uncovered from classified FBI files. Callahan takes us on a journey into the chilling, nightmarish mind of a relentless killer, and to the limitations of traditional law enforcement.

In 1902, at the age of 11, Carl Panzram broke into a neighbour’s home and stole some apples, a pie, and a revolver...During his two-year detention, Carl was repeatedly beaten, humiliated, and raped by the school staff...Kill 'Em All is a chilling and gripping account of one of the most brutal and gruesome true crime stories in American history. Ryan Green’s riveting narrative draws the listener into the real-live horror experienced by the victims and has all the elements of a classic thriller. 

Bonus material! Includes an excerpt from John Douglas and Mark Olshaker’s Obsession! Discover the classic behind-the-scenes chronicle of John E. Douglas’ 25-year career in the FBI Investigative Support Unit, where he used psychological profiling to delve into the minds of the country’s most notorious serial killers and criminals - the basis for the upcoming Netflix original series.