>>27682150cable tie handcuff then one round the neck. Use the ones that are re-useable becaise we have to be enviromentally friendly, means one cuff/garrote set can be used every 5-10mins.
Or just fill a shipping container until it's rammed full and lock it. A 20' x 8' should take 100+ amount of people easily. Even without any other intervention those people are fucked in few days. if your in a hurry you could run electricity into it, dip it underwater, wrap it in plastic? Hell you could just fill a blk carrier with then and have them dropped over some ocean trench and that way there's no bodies getting found.
Last option, send the folk you wnat dead down an abandoned mine, preferably the ones that go under the sea, seal it &/or *boom*.
