Someone unknown sent him a 50-lb box of something, presumably audio-related, back in February, which was left on his doorstep while he was out. Happens all the time if the sender has signed for non-attended delivery. (Not something we recommend.)
However, also while he was out, Fedex came by with a call tag to pick up a review sample for return. Seeing the drop-off, they thought it was the pick-up and took it, leaving a tracking number.
When Mikey got home and saw the note from Fedex, he called the Fedex depot to get the package back and have them…