Mary Ellen O'Toole retired from the FBI in 2009. During her career, she worked on many high-profile cases, including the Elizabeth Smart abduction, the Unabomber, and the Green River Killer. She continues to teach at the FBI National Academy, lectures at the Smithsonian, and frequently speaks to the public all over the world.
Alisa Bowman is a professional writer and collaborator. The coauthor of seven New York Times bestsellers, her work has appeared in Prevention, Better Homes & Gardens, Women's Health, and numerous other publications.
Jo Anna Perrin is an accomplished actor who has appeared in film and television, as well as on stage in New York, Los Angeles, and regionally. The narrator of numerous audiobooks, Jo Anna has garnered critical praise from AudioFile magazine, Booklist, Library Journal, and Publishers Weekly.