[IYAS9YAS]

IF they are underground, and sealed in a bunker with a pvc pipe as access, why not try to gas them to knock them out?

Of course, anyone sick enough to do this, would also likely be sick enough to set booby-traps, or may even have a dead-man-switch-activated device.

Just wondering out loud.

[jiggyboy]

IF they are underground, and sealed in a bunker with a pvc pipe as access, why not try to gas them to knock them out?

Anesthesia is a tricky business -- ask Michael Jackson's doctor. It only works in the movies and comic books. In that Russian movie theater, for example, more than half of the people ended up dead, terrorists and victims alike.