 Following the events of the season 15 episode "Internal Affairs", Cragen informs Benson that Munch has submitted his retirement papers.Munch officially retires in the episode "Wonderland Story", showing up to his retirement party in a white tuxedo as his friends bid him goodbye (it is announced that he will become a special investigator in the DA's office).Tutuola presents him with a going-away gift from the squad, a shadow box containing all the badges he carried as a police officer in both Baltimore and New York.