Oklahoma Man Charged in Powder Mailings to Officials

Federal prosecutors charged Robin Martin, an Oklahoma man, with conveying false or misleading information and hoaxes and mailing threatening communications, alleging he sent hundreds of letters containing powder to public officials during the 2024 and 2026 election cycles. A complaint unsealed Tuesday in the U.S. District Court for the Western District of Oklahoma says investigators linked more than 700 apparent mailings to the same sender. The letters went to election officials and members of Congress from both parties, among other recipients. The filings describe two waves, one before the 2024 election and another in 2026. The FBI said laboratory tests so far found yeast or flour in the powders, but not all letters have been tested. The results do not establish the contents of every mailing. The FBI agent said recipients could have believed that a letter containing white powder held anthrax or another toxin. According to the complaint, some 2024 letters went to state election officials and used a Maryland return address. Letters in the 2026 wave included one sent to the Oklahoma State Election Board, which alerted the FBI in October. The sender used different return...