'The Residence' Ending Explained: Who Really Killed A.B. Wynter?

Editor's Note: The following contains spoilers for the ending of The Residence.Eccentric detective Cordelia Cupp’s (Uzo Aduba) denouement in Netflix’s newest Shondaland production The Residence is entirely dramatic but gives us a satisfying conclusion to the hilarious whodunit. Her trademark affinity for birding acting as her guide, Detective Cupp sifts through a party of potential backstabbers to pinpoint just who among the White House staff was responsible for the death of Chief Usher A.B. Wynter (Giancarlo Esposito). Even for the great detective herself, pinning this killer was no simple task. But despite there being no question as to the person at the end of her final pointed finger, we wouldn’t blame you if you missed some details in Ms. Cupp’s explanation of who did what when, and how. Don’t worry – allow us to lay out the timeline of exactly what happened the night of the fateful Australian State Dinner.