[orthoxerox]

Is it still a booby trap if the safe displays a prominent warning, "CAUTION: EMITS DEADLY GAS WHEN DAMAGED"?

[thesuitonym]

Depends on your lawyer.

The law is someone less picky about armed guards, though, so you may just want to pay some thugs to watch your safe.

[bombcar]

Gandalf - “But men are better than gates, and no gate will endure against our Enemy if men desert it.”