Criminal Minds becomes a hit on Paramount+ in the U.S. ahead of its highly anticipated return with Season 19.

Criminal Minds has become iconic for its terrifying killers, but one of them remains the most unforgettable and twisted.

Rachel LaBonte is an entertainment writer and Rotten Tomatoes–approved critic specializing in film and television. She previously served as a Senior Writer and Editor on Screen Rant’s Core News Team, ...