Ann Rule
Ann Rule (1931–2015) drew on her experience as a former policewoman to become one of America's top true-crime writers. The author of over 1,000 articles and numerous books, she lectured widely to law-enforcement schools and agencies. She also served as a consultant to the FBI's Violent Criminal Apprehension Program. Some of her many bestselling books include Lust Killer, The Want-Ad Killer, The I-5 Killer, and Small Sacrifices.