Just talked to the vet, poor little dude didn't make it. Vet's assessment was he starved to death and had been in the wild for some time. Humane Society will have a record of him so if anyone does try to find him they'll at least be able to tell them what happened. Pretty bummed about it.
"Stand your ground. Don't fire unless fired upon, but if they mean to have a war, let it begin here." -- Capt. John Parker