These wedding crashers were cops. A groom was busted just moments from saying “I do” for failing to declare he was a registered pedophile. Bradley D. Armstrong, 66, was about to tie the knot at the La Porte County Courthouse in Indiana on Tuesday when two officers burst in and busted him just before the ceremony started. The bald, bespectacled groom — seen in a black cowboy shirt in his mugshot — was arrested in what the local sheriff likened to “something straight out of the ‘Wedding Crashers’