I checked the security cameras and they show a middle aged woman wearing a bike helmet on a bike with a basket in the front walking up the sidewalk and throwing down the box (already opened and empty) very aggressively onto our doorstep, then stomping off like I stole her twinkies or something. The box is addressed to me. I am not missing any amazon orders. It has a warning that it contains lithium batteries. I haven't ordered anything like that in the last year. So this is a mystery. I couldn't help think of this