Fan Casting The Killing Joke

A person can have just one bad day and everything can change. That’s what happened to Jack Fleck. The day he left home with his mother, wife and unborn child. He was taken in my a group of criminals and became the Red Hood. He met Batman and Arthur died, and The Joker was born. But to make Batman and Jim Gordon both go mad just like him, he kills his new Robin, and tries to kill Barbra Gordon, but just cripples her.