re riddle me this in article r lp inn mojo eng umd edu chuck eng umd edu chuck harris wa uqv writes if so why was cs often employed against tunnels in vietnam cs tear gas was used in vietnam because it makes you wretch so hard that your stomach comes out thru your throat well not quite that bad but you can t really do much to defend yourself while you are blowing cookies i think the is bz gas not cs or cn bz gas exposure results in projectile vomiting loss of essentially all muscle control inability to concentrate or think rationally and fatal reactions in a significant fraction of the population for that reason its use is limited to military applications frank crary cu boulder
