Bet the culprits are good at wrapping the Xmas pressies....
I don't envy whoever has to do the unwrapping. Suffocation deaths usually wind up with a pants-load of piss and shit. Going to be an ugly scene once someone starts pulling those plastic bags and tape loose.
In fact, here is a somewhat higher-resolution version of the first photo that fairly clearly demonstrates the crapped-pants wedgie on the one with the shorts. Ugly way to die.