Notorious USA's Gregg Olsen is the #1 New York Times, #1 Amazon Charts, #1 Wall Street Journal, Washington Post and USA Today bestselling author of more than 30 crime books.

An impassioned voice for victims and their families, Olsen has been a guest on Dateline, 48 Hours, 2020, William Shatner's Aftermath, Deadly Women, Good Morning America, CBS Morning News, Today, FOX News, CNN, Anderson Cooper, MSNBC, Entertainment Tonight, Snapped, Forensic Files, Inside Edition, Nancy Grace, Extra, Access Hollywood, NPR with Scott Simon and Biography among dozens of other shows. Olsen's true crime book, If You Tell, was Amazon's bestselling ebook for 2020. Notorious USA is Olsen's exclusive platform for true crime and crime fiction fans dying to be in the know.