DeKalb County, Ga., Sheriff Thomas E. Brown announced July 17 that he has formed an exploratory committee for a possible campaign for U.S. House of Representatives from Georgia’s 4^th Congressional District. Brown, a 1990 Brenau University graduate with a Bachelor of Science degree in public administration, has been sheriff of the metro Atlanta county since 2001 and is currently in his fourth term. He won the office after his predecessor was assassinated. According to The Atlanta Journal-Constitution, Brown for some time has been kicking tires on a possible congressional campaign, which could set up a Democratic primary challenged to four-term incumbent U.S. Rep. Hank Johnson.