FOX CITIES (WFRV) – A Fox Cities d.j. is behind bars for allegedly trying to solicit sex from a minor.Richard Kieffer, known on-air as Rich Allen, was arrested in Virginia on a felony charge of using a computer to solicit aminor.Allen works for WVBO Radio, the Valley’s Best Oldies. Virginia authorities are releasing few details on what led to the arrest, saying the investigation in ongoing.