APTOPIX Senators Office Arrests

James O'Keefe, center, and Stan Dai walk out of the St. Bernard Parish jail in Chalmette, La., Tuesday, Jan. 26, 2010. O'Keefe, a conservative activist who posed as a pimp to target the community-organizing group ACORN, is one of four people arrested by the FBI and accused of trying to interfere with phones at Sen. Mary Landrieu's office in New Orleans. (AP Photo/Patrick Semansky)