The letters with suspicious substances sent to election offices before the 2026 midterms

Election officials in several states, among them Oklahoma, Ohio and Louisiana, reported in October 2026 that suspicious letters had arrived at their offices.^[1] Louisiana's secretary of state, Nancy Landry, announced on social media that her office had received one, and in Delaware a suspicious envelope was delivered to and opened at the State Election Commissioner's Office.^[1] The FBI and the US Postal Inspection Service opened an investigation.^[1][2]

The Senate Sergeant at Arms told congressional staff that letters containing suspicious substances had been sent to multiple Capitol Hill offices and that law enforcement was working to intercept more before they were delivered.^[1] One of the envelopes carried a return address for the headquarters of the Democratic Socialists of America, though it was not clear that the group had any involvement.^[1] The stories held here do not identify the substance or the sender.