Used as a pawn, Fredo never set out to endanger Michael's life, but such details matter little to the Corleone family don, and Fredo is mercilessly killed in The Godfather Part II's ending.

It's not easy. Fredo Corleone: Mama used to tease me. She’d say, "You don't belong to me. The Gypsies left you on the doorstep." Sometimes I think it’s true. Michael Corleone: You’re no ...