WASHINGTON —  A spokesman for the Fairfax County Police Department was arrested Wednesday and charged with two counts of possession of child pornography.

PFC William “Bud” Walker has been processed and is being held without bond as the investigation continues.

Walker was initially hired in 1999 and worked patrol until 2004, when he was made public information officer. In 2006 he went back to patrol, serving as the school resource officer at South County High School until 2009. He then returned to the public information office before being let go on April 9.

Anyone with information about this investigation is asked to call 703-246-7896. Callers who wish to remain anonymous can call 1-866-411-TIPS(8477).