Richard Walter is an American forensic psychologist for the Michigan prison system, a crime scene analyst and one of the creators of modern criminal profiling. The United States of America —commonly referred to as the Forensic psychology is the intersection between Psychology and the Legal system. Michigan ( is a Midwestern state of the United States of America. Offender profiling is a behavioral and investigative tool that helps investigators to profile unknown criminal subjects or offenders  He is the developer of a number of psychological classifications for violent crime, and a co-founder of the Vidocq Society, an exclusive organization of forensic professionals dedicated to solving cold-cases. The Vidocq Society is a members-only crime-solving club that meets every month in Philadelphia, Pennsylvania. As a psychologist for Michigan's prison system , he has interviewed more than twenty-two-thousand convicted felons. 
He worked with Robert D. Keppel, the chief investigator for the Attorney General's Office in the State of Washington (now retired), and together they wrote Profiling Killers: A Revised Classification Model for Understanding Sexual Murder. Robert David Keppel (born 15 June 1944) is a retired American law enforcement officer and detective most known for his work tracking Serial killers Washington ( is a state in the Pacific Northwest region of the United States. Keppel created the Homicide Information Tracking Unit (HITS) database, of which Walter was a prolific contributor. Walter was the first to develop a matrix as a tool of investigation using pre-crime, crime and post-crime behaviours to help develop suspects. 
Author Michael Capuzzo has been given a sizeable advance to write about the Vidocq Society and its three co-founders.  The book is tentatively titled The Arms of Angels and is due for release in 2007. Year 2007 ( MMVII) was a Common year starting on Monday of the Gregorian calendar in the 21st century. As well as this society, Richard Walter is also a member of the American Academy of Forensic Sciences, a Fellow of the Royal Society of Medicine/Clinical Forensic Medicine, A Fellow of the Australasian College of Biomedical Sciences and a 22-year veteran prison psychologist for the state of Michigan. The American Academy of Forensic Sciences (AAFS is a professional society for people in all areas of Forensics.
Walter gives lectures to police organizations throughout the U. S. , England, Scotland, Turkey, Australia and Hong Kong. He has also been featured on CBS News 48 Hours, A&E, TLC and Court TV. CBS News is the news division of American Television and Radio network CBS. 48 Hours can refer to 48 Hours (TV series, a documentary and news television program 48 Hrs A&E is a cable and Satellite television network with headquarters in Manhattan and offices in Stamford, Atlanta, TLC (generally called as The Learning Channel) is a cable TV network in the US and Canada, that carries a variety of informational and truTV is an American Cable Television network owned by Time Warner through its subsidiary Turner Broadcasting.
In 1989, Walter provided the psychological profile for mass murderer John List. John Emil List ( September 17 1925 - March 21 2008) was an American convicted Mass murderer On November 9 List had been in hiding for 18 years and law enforcement had all but given up on the case. Using Richard Walter's profile, forensic sculptor Frank Bender was able to appropriately age the suspect in a bust displayed on America's Most Wanted, with List being captured the next day. Frank Bender is a world-renowned Autodidact forensic Facial reconstruction artist and Fine artist. America's Most Wanted is an American TV show produced by 20th Century Fox, and is the longest-running program of any kind in the history
In Lubbock, Texas in 1999, City Police solved the murder of Scott Dunn with Walter's aid. Texas ( is a state geographically located in the South Central United States and is also known as the Lone Star State. This is a rare case where a conviction was garnered in the absence of a body. The case is chronicled in the book Trail of Blood" by Wanda Evans and in the television series Medical Detectives
In 2005, the Hudson, Wisconsin Police Department consulted with the Vidocq Society on the cold case double homicide of Dan O'Connell and James Ellison. Hudson is a city in St Croix County, Wisconsin, United States. Wisconsin ( or wɪˈskɑnsɨn (French Ouisconsin) is one of the fifty United States of America, located in the north central part of the United States With the help of Walter, the Hudson police solved the case. The murderer, Father Erickson, was a priest who was trying to keep molestation allegations from surfacing.