On Sat, 29 May 2004 18:27:11 GMT, Gunner wrote

So, if I used a swab and put a lil bit behind a car door handle..it
would be hard for the operator to remove it from their fingers?

Same as powdered pencil lead. Mix it with a dab of white heat sink
grease (as found at radio shack in little tubes). That stuff is
incredibly tenacious and resistant to both solvents and detergents.