Federal law enforcement agencies are conducting a coordinated investigation into dozens of suspicious letters containing white powder that were mailed to congressional offices and state election officials across the nation, arriving less than three weeks before Election Day.
Three law enforcement sources with direct knowledge of the investigation have confirmed that preliminary testing of the white powder substance indicates the contents are not hazardous. However, authorities are proceeding with additional laboratory testing at facilities nationwide to ensure the letters pose no danger to recipients.
The mailings targeted multiple Democratic senators, including Senate Minority Leader Chuck Schumer of New York, Senator Alex Padilla of California, and Senator Chris Murphy of Connecticut. Election offices in at least fifteen states reported receiving suspicious packages: Arizona, Delaware, Georgia, Idaho, Kansas, Louisiana, Nebraska, New Hampshire, Ohio, Oklahoma, Pennsylvania, South Dakota, Tennessee, Washington, and Wisconsin.
The FBI, United States Capitol Police, and the United States Postal Inspection Service are jointly investigating the coordinated mailing campaign. A notice distributed to senior staff members in Senate offices Thursday warned that while law enforcement officials are actively working to intercept additional letters before delivery, some packages may still reach their intended destinations.
Law enforcement sources briefed on the investigation confirmed that dozens of letters were sent, though authorities declined to provide an exact count as interception efforts continue. A letter addressed to Senator Schumer was successfully intercepted by authorities before delivery, according to his office. Similarly, the FBI notified Senator Padilla’s office that a letter containing a suspicious substance was stopped by the Postal Service.
Senator Murphy’s Hartford, Connecticut office received notification from the FBI, Capitol Police, and the sergeant at arms regarding an intercepted letter. A spokesperson confirmed that Murphy and his staff were never in immediate danger.
The FBI issued a statement confirming the agencies are investigating “a series of suspicious mailings sent to various addresses nationwide, including Secretary of State offices and their related election offices.” The bureau did not specify all targeted locations but emphasized coordination with law enforcement partners to respond to each incident and identify those responsible.
The timing of these mailings raises particular concern given their arrival in the final weeks before a national election. Election officials across fifteen states must now contend with this security threat while simultaneously managing the complex logistics of conducting a federal election.
The Postal Inspection Service and Capitol Police have deferred questions to the FBI, which is serving as the lead investigative agency. The coordinated nature of the mailings, targeting both federal lawmakers and state election officials across multiple states, suggests a deliberate campaign requiring significant planning and resources.
As this investigation continues, federal authorities are urging recipients of suspicious mail to exercise caution and immediately report any concerning packages to local law enforcement. The full scope and motivation behind these mailings remain under active investigation.
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