Gregg Olsen is a bestselling author born on March 5, 1959, in Seattle, Washington. He has achieved recognition as a New York Times, USA Today, and The Wall Street Journal bestselling author. His oeuvre includes nonfiction books and novels, with a significant focus on crime-related subjects.

Olsen's true crime books highlight notorious figures such as convicted child rapist and school teacher Mary Kay Letourneau, product tampering killer Stella Nickell, fasting specialist Linda Burfield Hazzard, and former Amishman and convicted murderer Eli Stutzman.

Throughout his career, Olsen has demonstrated an ability to craft detailed narratives that provide readers with fascinating insights into the lives of individuals caught in extraordinary circumstances. To date, he has authored ten nonfiction books, ten novels, and contributed a short story to a collection edited by Lee Child.

An award-winning writer, Olsen has made guest appearances on numerous national and local television shows, including educational programs for the History Channel, Learning Channel, and Discovery Channel. His other television appearances include Good Morning America, The Early Show, The Today Show, FOX News, CNN, Anderson Cooper 360, MSNBC, Entertainment Tonight, CBS 48 Hours, Oxygen’s Snapped, and Court TV’s Crier Live.