Charles E. Williams is founder and CEO of HDI Investigation Service, Inc., a private investigation firm specializing in conducting investigations for criminal defense cases. A graduate of Temple University's School of Business, Charles has built a reputation as an exceptional and highly sought after criminal investigator. After 24 years of exemplary service, Charles retired from the Federal Bureau of Investigation (FBI) where he served as a Special Agent. Charles' FBI career began in 1983. After graduating from the FBI Academy, he was eventually assigned to the New York City FBI Field Office, where he worked for more than twenty years. For 14 years, Charles was a member of the prestigious FBI New York City Fugitive Task Force, where he was involved in hundreds of arrests and thousands of interviews. He also attended the FBI undercover agent school and was a member of the New York City FBI Crisis Negotiation Reserve Team; EEO Investigator; Certified FBI Assessor; Certified Street Survival Agent; Community Outreach Specialist; and a General Police Instructor. Charles worked on a number of high profile FBI cases, including FBI "Top Ten Fugitive" investigation cases. He worked on the Crown Heights Investigation; the World Trade Center bombings (1993): United States Embassy bombing in Tanzania, Africa (1998); and the World Trade Center bombing (September 11, 2001).