He Sued the N.Y.P.D. He Advised ‘Homeland.’ Now He’s Mamdani’s Lawyer.

Ramzi Kassem is accustomed to challenging authority. As the chief counsel to Mayor Zohran Mamdani of New York City, he finds himself on the other side.Ramzi Kassem, who once sued the New York Police Department for its surveillance of Muslim Americans, is now advising the mayor on police matters.