When you think of the mafia’s mid-twentieth century heyday, northeastern Pennsylvania isn’t the region that usually springs to mind. But one of the country’s most powerful mob bosses allegedly controlled organized crime in Scranton, Wilkes-Barre, and upstate New York, and may have ordered the most infamous mafia hit in American history. Now, Russell Bufalino has been brought to life by Joe Pesci in Martin Scorsese’sThe Irishman. Here’s what you need to know about the real-life figure.