FBI And Postal Inspectors Probe Suspicious Powder Letters To Election And Congressional Offices
On Wednesday, October 14, 2026, the FBI and the U.S. Postal Inspection Service said they are jointly investigating a series of suspicious mailings with unknown substances sent to addresses nationwide, including Secretary of State and related election offices.[1]
The Senate Sergeant at Arms issued a notice to congressional staff warning that some letters may still reach their destinations and included an image of an envelope with a New York City return address labeled "DSA." NPR Sen. Chris Murphy's office confirmed it was among the congressional targets.[1] Louisiana Secretary of State Nancy Landry said an Elections Division employee opened a package with white powder on Tuesday, October 13.[1] The employee was taken to an emergency room as a precaution and testing found no evidence of harmful substances.[1] The Oklahoma State Election Board said it received an envelope with suspicious white powder on Tuesday and evacuated its office.[1] Secretary Paul Ziriax said no one was hurt and law enforcement is investigating.[1] Deputy Chief Inspector Brendan Donahue of the U.S. Postal Inspection Service said inspectors have intercepted some letters and stopped delivery of at least one, while declining to specify the total.[1]
In 2024, more than 15 state election offices received similar suspicious mailings, and later reporting has linked those incidents to the current series.[2] The National Association of Secretaries of State and the National Association of State Election Directors issued a joint statement saying election administrators should never have to fear for their safety while performing their duties.[2]
Early coverage stressed the immediate threat response and that federal agencies were actively investigating the mailings.[3] Later reporting, notably from NPR, explicitly connected the current incidents to the 2024 wave and framed them as part of a pattern targeting election officials.[2]
Federal officials say the probe remains active as agents and postal inspectors work to intercept additional mailings and identify who is responsible.[1]
Show source details & analysis (4 sources)
📌 Key Facts
- On Wednesday, October 14, 2026 the FBI and U.S. Postal Inspection Service said they are jointly investigating “suspicious mailings” with unknown substances sent to addresses nationwide, including Secretary of State and related election offices.
- The Senate Sergeant at Arms issued a notice to congressional staff warning that some letters may still reach their destinations despite interception efforts and included an image of an envelope with a New York City return address labeled “DSA”; Sen. Chris Murphy’s office confirmed it was targeted.
- Louisiana Secretary of State Nancy Landry said an Elections Division employee opened a package containing white powder on Tuesday, October 13, 2026, was taken to an emergency room as a precaution, and testing found no evidence of harmful substances.
- The Oklahoma State Election Board said it received an envelope with suspicious white powder on Tuesday, October 13, 2026, evacuated its office, and Secretary Paul Ziriax reported no injuries while law enforcement investigates.
- Deputy Chief Inspector Brendan Donahue of the U.S. Postal Inspection Service said inspectors have intercepted some letters, stopped delivery of at least one, declined to specify the total number, and are working closely with law enforcement partners to identify who is responsible.
- The National Association of Secretaries of State and the National Association of State Election Directors issued a joint statement saying election administrators should never have to fear for their safety while performing their duties.
- As of October 15, 2026, federal law enforcement agencies continue to investigate a series of letters containing “suspicious substances” sent to congressional and state election officials, according to the PBS NewsHour.
📰 Source Timeline (4)
Follow how coverage of this story developed over time
- The October 15, 2026, PBS NewsHour wrap reiterates that federal law enforcement agencies are actively investigating a series of letters containing "suspicious substances" sent to congressional and state election officials.
- The segment confirms that as of October 15, 2026, the investigation into these suspicious-substance letters remains ongoing.
- Article states an employee in the Louisiana Secretary of State's office opened a suspicious letter on Tuesday, October 13, 2026, was uninjured but taken to an emergency room as a precaution, and law enforcement found no evidence of harmful substances.
- NPR reports that mailings have been sent to election officials in Louisiana, Ohio, and Oklahoma as well as unspecified congressional offices.
- A Senate Sergeant at Arms communication to congressional staff, dated before October 15, 2026, warns that some letters may still reach their destinations despite interception efforts and instructs staff on visual indicators of suspicious mail.
- The Senate Sergeant at Arms communication included an image of an envelope with a New York City return address labeled "DSA," offered as an example of what to watch for.
- Deputy Chief Inspector Brendan Donahue of the U.S. Postal Inspection Service says inspectors have stopped the delivery of at least one of the suspicious mailings and are working closely with law enforcement partners on each incident.
- The FBI confirms it is investigating a series of suspicious mailings sent to "various addresses nationwide, including Secretary of State offices and their related election offices," and says it is working to identify those responsible.
- The article explicitly links the current investigation to similar 2024 incidents in which more than 15 state election offices received suspicious mailings.
- National Association of Secretaries of State and National Association of State Election Directors issue a joint statement saying election administrators should never have to fear for their safety while performing their duties.
- On Wednesday, October 14, 2026, the FBI and U.S. Postal Inspection Service publicly confirmed they are jointly investigating 'suspicious mailings' with unknown substances sent to various addresses nationwide, including secretary of state and related election offices.
- The Senate Sergeant at Arms issued a notice to congressional staff stating that congressional offices were among the recipients of the suspicious letters, and Sen. Chris Murphy's office confirmed it was targeted.
- Louisiana Secretary of State Nancy Landry reported that on Tuesday, October 13, 2026, an employee in her Elections Division opened a package containing white powder that tests later showed was not harmful.
- The Oklahoma State Election Board said it received an envelope with suspicious white powder on Tuesday morning, prompting an evacuation of its office; Secretary Paul Ziriax said no one was hurt and law enforcement is investigating.
- USPS Inspection Service Deputy Chief Inspector Brendan Donahue said federal officials have intercepted some letters, declined to specify the total number, and emphasized that identifying those responsible is a priority.