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Federal probe into suspicious mailings to election offices

Updated 11 times since CLSTR started tracking revisions of this situation.

What changed

2026-10-19 18:33 UTC → 2026-10-20 20:39 UTC · added removed

The Oklahoma State Election Board offices were evacuated following the discovery of an envelope containing a suspicious white powder. State Election Board Secretary Paul Ziriax confirmed the substance was non-hazardous and no staff were harmed. This incident is part of a broader federal investigation involving the FBI, the U.S. Postal Inspection Service, and the U.S. Capitol Police. Authorities are probing a nationwide wave of suspicious mailings containing unknown white or brown powdery substances sent to various congressional and election offices. Some intercepted envelopes featured a postmark from ‘DSA’ and a return address linked to a building previously used by the Democratic Socialists of America; however, the organization noted it has not occupied that location since 2013. The scope of the mailings has expanded significantly. In addition to previous reports in Louisiana, Ohio, Delaware, Connecticut, Maryland, Mississippi, South Dakota, Pennsylvania, New York, Wyoming, and Idaho, the Wisconsin Elections Commission and the Delaware State Election Commissioner’s Office also reported suspicious letters. Targeted recipients now include high-profile U.S. lawmakers, such as Senate Democratic Leader Chuck Schumer and Senators Alex Padilla, Chris Murphy, Kirsten Gillibrand, and Lisa Blunt Rochester. Recent reports indicate that Minnesota Secretary of State Steve Simon, Senator Amy Klobuchar, and Representative Hillary Scholten have also received suspicious mailings. In Minnesota, the Secretary of State’s office reported receiving a mailing containing both a threatening letter and an unidentified white powder. As of Friday, at least 36 members of Congress from both Democratic and Republican parties have reported receiving suspicious letters. Targeted offices also include California representatives Jimmy Panetta and Kevin Kiley, as well as Senators Ted Cruz and Susan Collins. While some substances were deemed non-hazardous, the mailings have caused significant disruption, including temporary office closures. Recent developments show the wave of mailings has reached Oregon and Arizona. The investigation has now reached at least 32 states.

Versions

  1. 2026-10-20 20:39 UTC Federal probe into suspicious mailings to election offices
  2. 2026-10-19 18:33 UTC Federal probe into suspicious mailings to election offices
  3. 2026-10-17 14:01 UTC Federal probe into suspicious mailings to election offices
  4. 2026-10-17 11:35 UTC Federal probe into suspicious mailings to election offices
  5. 2026-10-17 01:26 UTC Federal probe into suspicious mailings to election offices
  6. 2026-10-17 01:08 UTC Federal probe into suspicious mailings to election offices
  7. 2026-10-16 18:35 UTC Federal probe into suspicious mailings to election offices
  8. 2026-10-16 00:27 UTC Federal probe into suspicious mailings to election offices
  9. 2026-10-15 21:38 UTC Federal probe into suspicious mailings to election offices
  10. 2026-10-15 21:37 UTC Federal probe into suspicious mailings sent to election andU
  11. 2026-10-15 17:27 UTC Federal probe into suspicious mailings sent to election andU
  12. 2026-10-14 19:24 UTC Oklahoma State Election Board security incident

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