Katherine Ramsland is a Professor of Forensic Psychology and the Assistant Provost for Special Programs at DeSales University. She holds graduate degrees in Forensic Psychology, Clinical Psychology, Criminal Justice, and Philosophy. She has been honored as a distinguished alumna by Northern Arizona University and the John Jay College of Criminal Justice.

The author of more than 1,000 articles and 68 books, Katherine spent five years working with Dennis Rader on his autobiography Confession of a Serial Killer: The Untold Story of Dennis Rader, The BTK Killer. Among her other books are How to Catch a Killer, The Psychology of Death Investigations, The Mind of a Murderer, Beating the Devil’s Game, and The Devil’s Dozen: 12 Notorious Serial Killers Caught by Cutting-Edge Forensics. Her background positioned her to assist former FBI profiler John Douglas on his book The Cases That Haunt Us and to cowrite books with former FBI profilers Gregg McCrary and Mark Safarik. She also coauthored The Real World of a Forensic Scientist with Elaine M. Pagliaro and renowned forensic criminalist Henry C. Lee. She blogs regularly for Psychology Today.

Katherine trains law enforcement professionals and speaks internationally about forensic psychology, investigative psychology, jury dynamics, suicidology, and extreme offenders. She is an executive producer of Murder House Flip and has consulted for CSI, Bones, and The Alienist. She has also appeared on more than 200 documentaries and shows, including 20/20, 48 Hours, and Nightline. She is a go-to consultant regarding perpetrators of the most deviant forms of criminal behavior.