The mayor and two other local officials pleaded not guilty on Thursday after being accused of taking part in a scheme in which F.B.I. agents posing as real estate developers offered bribes.

© Rogelio V. Solis/Associated Press

Leonard Glenn Francis, known as Fat Leonard, bribed Navy officials with cash and luxury goods in exchange for over $30 million in contracts for his business, officials said.

© NCIS-DCIS case files

The sales of intelligence agency data raised awkward questions as the nation is expanding military information sharing with the United States.