Mr Alamouri's lawyer said the government had conceded that his client's role in the alleged assassination plot was minimal.

BBC: Crown Prince Abdullah

Lawyer Cleta Mitchell has long criticized McCain's role in overhauling campaign-finance laws.

NPR: Candidates Weigh Taking Federal Campaign Money

Mr. Sampson's indictment centered on an alleged embezzlement scheme stemming from Mr. Sampson's work as a lawyer and his court-appointed role as a referee in foreclosure proceedings, Ms. Lynch said.

WSJ: Brooklyn State Senator John Sampson Arrested