The samples could come from the personal items of the missing -- from toothbrushes and hairbrushes to used Kleenex or cigarette butts -- or by using a cotton swab to rub the inside of a survivor's cheek.

CNN: Somber Manhattan back at work

Flanked by framed faces of funnymen, Podrebarac boasted that orders were flowing in from retailers like Ace Hardware, and demonstrated how the product would work by dipping a faux anthrax-tainted cotton swab into a vial of red liquid.

FORBES: Have You Heard the One About the Anthrax Kit?