Cynthia Beebe is a retired Senior Special Agent with the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). She spent 27 years investigating bombings, arson, murder, illegal firearms, gangs and other crimes. She was the first woman to be "Top Gun" at the ATF Academy, where she later taught as an instructor. Her cases were chronicled in the New York Times, Washington Post, Chicago Tribune and Ladies Home Journal, and were covered on ABC, CBS, NBC, PBS, 48 Hours and the Phil Donahue Show. Beebe is a member of the International Association of Bomb Technicians and Investigators, the International Association of Arson Investigators and Women in Federal Law Enforcement. She has a B.A. in English Literature and a Master's Degree in Journalism, both from Northwestern University. Since her retirement she has appeared as an expert commentator on law enforcement issues for WGN radio and television. Please follow her on all social media @CynthiaBeebe4.