Prosecutors said the Democrat abused the power of his office to protect allies from criminal investigations and enrich associates, including his wife, through acts that included meeting with Egyptian intelligence officials and softening his position toward that country as he speeded its access to millions of dollars in U.S. military aid.

Menendez, 70, looked toward the jury at times and appeared to mark a document in front of him as the verdict was read. Afterward, he sat resting his chin against his closed hands, elbows on the table. He and his lawyers vowed to appeal as they left the courthouse.