As this didn't follow the template nor has it been changed well after 12 hours later, I feel the OP is not backing this idea very seriously. That said, this is hardly needed, it's called secret service because they're meant to be just that, rather secretive and not visibly identifiable from a distance. If you want to RP this, simply inform law enforcement what your agents will be wearing as a mayor so they may possibly remember who's who. Denied