政治腐敗
Based on these allegations, the [[FBI]] raided Jefferson's Congressional offices in May 2006. On June 4, 2007, a federal [[grand jury]] indicted Jefferson on sixteen felony charges related to [[Political corruption|corruption]], including [[bribery]], [[Racket (crime)|racketeering]], [[conspiracy]], [[money laundering]], [[obstruction of justice]] and other offenses. Jefferson was defeated by [[Republican Party (United States)|Republican]] [[Joseph Cao]] on December 6, 2008, and became the most senior [[Democratic Party (United States)|Democrat]] to lose re-election that year.