A bike courier strides right up to Finn while he's in line for his morning cup of Irish cream coffee at that coffee place he always stops at. He hands over a small package. Inside is a Tiffany & Co box with a very expensive sterling silver dog tag. There is no note.
Sitting in the middle of Finn's coffee table is another Tiffany box. Tucked beneath it is a small envelope with a note written on an embossed notecard:
The statute of limitations on being mad at me is up. -A
Inside the gift box is a sterling silver tie bar. Oooh, shiny.
(No, Finn hasn't given her a key, and there's no sign of forced entry.)