Each episode of the series leads with the statement, "based on true events." While the season accurately captures the feel of mid-century Kansas City, the narrative is based mainly in fiction. "It's a true crime story that isn't true" according to mafia expert Terence O'Malley.
- Michael Wells, Missouri Valley Special Collections librarian
- Terence O'Malley, film director and author for “Black Hand Strawman: The History of Organized Crime in KC" and co-founder of the Kansas City Mafia Film Festival