High Quality Content by WIKIPEDIA articles! Jack Bruce Johnson (born April 3, 1949) is an American politician who served as the county executive of Prince George`s County, Maryland from 2002 to 2010. On November 12, 2010, both Johnson and his wife were indicted on federal charges as part of a larger political corruption scandal in the county. On May 17, 2011, Johnson pleaded guilty to extortion and witness- and evidence-tampering.