The Penguin Episode 4 explains how Sofia Falcone ended up in Arkham and became known as the Hangman – and it’s a big change.

The Penguin Episode 4 “Cent’anni” finally reveals once and for all exactly what Sofia Falcone (Cristin Milioti) did to wind up locked away in Arkham Asylum for ten whole years. The HBO show reveals that Sofia might not have been totally lying when she insisted she’s not the Hangman,

The following contains spoilers for 'The Penguin' Episode 3.Sofia Falcone (Cristin Milioti) has stolen the spotlight from Oswald (Colin Farrell) in The Penguin, becoming everybody’s favorite serial killer.