A splendid idea. Those taken alive should be fed well: bacon and eggs, ham sandwichs, pork chops soaked in wine (my mother's delicious recipe).
Absolutely
Given that they have relatives in the US their body(ies) would be delivered to those relatives for burial in whatever manner the family sees fit. It's worth noting that one of them is still alive.
Wtf...
to let future terrorist know what happens, buried with a hog would send a message.