NewsABC Action News (WFTS) — NewsNovember 3, 2026Hillsborough County
Federal authorities charge Oklahoma man with mailing white powder hoax letters to public officials
Photo: ABC Action News (WFTS) — News
Federal authorities charged an Oklahoma man with conveying a hoax and mailing threatening communications after hundreds of letters containing nonhazardous white powder were sent to public officials nationwide. The FBI stated in a court filing that the powders were identified as yeast or flour, though testing is ongoing.
Read the full story at ABC Action News (WFTS) — NewsWhy It Matters
The mailing of suspicious substances to congressional and election offices triggered multi-agency federal investigations and security warnings for mail recipients ahead of election cycles.
Key Facts
- Federal authorities charged Robin Martin of Oklahoma with conveying a hoax and mailing threatening communications.
- The charges follow the mailing of hundreds of letters containing nonhazardous white powder to public officials ahead of the 2024 and 2026 elections.
- Testing revealed the powders were yeast or flour, though not all letters have been fully tested according to an FBI court filing.
- Martin was scheduled to make his initial court appearance on Tuesday afternoon in Oklahoma City.
- Federal authorities previously announced an investigation into letters with suspicious substances sent to congressional and election offices nationwide.
- The Senate Sergeant at Arms warned that law enforcement was working to intercept additional letters, though some might still reach destinations.
- The FBI and the Postal Inspection Service are jointly investigating the mailings.
Who's Mentioned
OrganizationThe Associated Press“News organization that obtained a message from the Senate Sergeant at Arms”OrganizationU.S. attorney's office“Referred questions by the FBI”PersonRobin Martin“Man charged by federal authorities”locationOklahoma City“Location of expected initial court appearance”locationOklahoma“State where the accused man resides”OrganizationPostal Inspection Service“Federal agency investigating the mailings alongside the FBI”OrganizationFBI“Federal agency investigating the case and making court filings”OrganizationSenate Sergeant at Arms“Issued a message regarding law enforcement efforts to intercept letters”