“We have full-time security all the time,” says Fred Nigro, David Letterman’s business manager. “We have it for the show, and we have it for everything else. First he had a stalker, then he had a kidnapping attempt, then extortion. In 30 years, he’s gone through it all.”
http://www.hollywoodreporter.com/news/celebrity-bodyguards-sky-high-cost-639496
Is that allowed these days?