Mohamed Bahi was accused of tampering with witnesses and destroying evidence in the corruption investigation into Mayor Eric Adams and his campaign fund-raising.
President-elect Donald J. Trump has indicated that he would support ending water fluoridation. Mayor Eric Adams was reticent on the issue, before eventually taking a side.
Winnie Greco, a top fund-raiser and senior adviser for Mr. Adams, has long had dealings with people and groups connected to China’s communist regime. He kept her close even so.