Yeah. Of course they have.
Saruman would've gotten away with it, too, if it hadn't been for those meddling kids.
(Though in my head I was more picturing one of those white or dark blue generic vans they share at college science departments. Aragorn driving, Legolas looking out the window with iPod earbuds in, Eomer asleep in the backseat with his mouth open, weapons packed awkwardly all around them. Woo, Helm's Deep road trip!)