David Letterman, whose New Canaan, Conn., house has been broken into six times by a fan, called police when he found a pair of autograph seekers waiting in his driveway.

No charges were filed in the incident, which occurred about 2 a.m. Saturday, authorities said.Police said they didn't know if the fans got the talk show host's autograph.

Margaret Ray of Crawford, Colo., was sentenced to a year in prison after breaking into Letterman's home for a sixth time in March. She told authorities at one point that she was Letterman's wife.