Looks like he might have just suffocated from all those coverings.
People forget that many furry creatures cannot take being covered up that much. I hate those vids which show dogs and cats in costumes --they're not designed for extra coverings unless they're consistently in cold environments. First signs of distress are they act drunk and fall over.
Hahaha go the humans. Gaspgaspgasp go the pets.
My bit on that has been said.
Interesting article otherwise. Sounds like law enforcement won one for once in 1920s South Of The Border Chicago.