Other critters you might add to your security force:

An armed robot?

http://www.nosc.mil/robots/land/robart/spie96.html (See Fig 7. Multi-barreled Gatling Gun!!)


A force field?

http://www.defense-update.com/products/l/LPIC.htm

A phaser?

http://www.thememoryhole.org/mil/wea...p_contract.htm
(By the way, sometimes this link goes down. Maybe someone doesn't like them?)

A system known in polite circles as "slippery snot" (one you see it, you will know!!)

http://www.joshrubin.com/coolhunting...ty_denial.html