Robert D. Keppel, Ph.D. is the President of the Institute for Forensics in Seattle, Washington. He retired after 17 years as the Chief Criminal Investigator with the Washington State Attorney General's Office. With over 25 years of experience, he was Chief Investigator in the Ted Bundy murder cases in the Pacific Northwest. Dr. Keppel has authored a number of books and articles about serial murder. Dr. Keppel has personally investigated, reviewed, or consulted in more than 2000 murder cases. He has lectured extensively to police officers at national seminars on homicide investigation. He has testified in trial as an expert on the method of operation of serial killers, the "signature aspects" of murder investigations, and police investigations. He is the author of several articles and four books entitled: The Riverman: Ted Bundy and I Hunt the Green River Killer, published in 1995 by Pocket Books, New York, NY; Signature Killers, published in 1997 by Pocket Books, New York, NY; and Murder: A Multidisciplinary Anthology of Readings, published in 1999 by Harcourt Brace, Orlando, FL; Serial Murder: Future Implications for Police Investigations, published in 2000 by Authorlink.com. He received his Doctor of Philosophy Degree in Criminal Justice from the University of Washington in 1992. He graduated from Washington State University with a Bachelor of Science Degree in Police Science and Administration in 1966 and a Master of Arts Degree in Police Science and Administration in 1967. Also, he received a Master of Education Degree from Seattle University in 1979. Dr. Keppel maintains a website for the Institute of Forensics at http://www.iff-murder.com/