Mark welcomes Dr. Katherine Ramsland to the show.

Dr. Katherine Ramsland teaches forensic psychology at DeSales University in Pennsylvania and has published more than 65 books, including The Criminal Mind, The Human Predator, The CSI Effect, The Forensic Science of CSI, A Voice for the Dead, and Ghost: Investigating the other Side. She writes regular features on forensics and serial murder for Court TV's Crime Library and is considered an international expert on serial killers. She combines an interest in the supernatural with intensive research on crime, and sometimes these topics join in some surprising ways.

Dr. Katherine Ramsland 's website can be found here:

katherineramsland.com

You can find Dr. Katherine Ramsland 's amazing books here:

The Devil's Dozen
Inside the Minds of Serial Killers: Why They Kill
Cemetery Stories: Creepy Graveyards, Embalming Secrets & the Life of a Corpse After Death
Dean Koontz: A Writer's Biography
Ghost: Investigating the Other Side
Piercing the Darkness: Undercover With Vampires in America Today
Prism of the Night: A Biography of Anne Rice
The Vampire Companion: The Official Guide to Anne Rice's the Vampire Chronicles
The Witches' Companion: The Official Guide to Anne Rice's Lives of the Mayfair Witches
The Mind of a Murderer
Confession of a Serial Killer