A 67-year-old Oklahoma man faces federal charges for allegedly mailing hundreds of threatening letters containing suspicious white powder to election officials and lawmakers across the country.
Robin Patrick Martin of Oklahoma City was charged with conveying false or misleading information and hoaxes and mailing threatening communications after investigators linked him to a nationwide campaign targeting election officials, members of Congress, federal agencies and media organizations, according to a Tuesday Department of Justice (DOJ) press release. The letters, sent ahead of the 2024 and 2026 elections, contained threatening messages and white powder that investigators determined was nonhazardous, prompting a multiyear federal investigation that culminated in Martin’s arrest on Monday.
“As alleged, Martin mailed letters containing white powder to hundreds of state and federal officials, a calculated attempt to terrorize public servants,” said Assistant Attorney General for National Security John A. Eisenberg in the DOJ release. “These officials were left to open those letters not knowing if the powder inside could sicken or even kill them, and that was the evident intent. Intimidation like this has no place in a Nation governed by the rule of law, and the National Security Division will investigate and prosecute these cases to the fullest extent appropriate.”
🚨 Oklahoma Man Charged in Connection with Sending Threatening Letters Containing Non-Toxic White Powder to Election and Government Officials Across the Country
“As alleged, Martin mailed letters containing white powder to hundreds of state and federal officials, a calculated attempt to terrorize public servants,” said Assistant Attorney General John A. Eisenberg. “These officials were left to open those letters not knowing if the powder inside could sicken or even kill them, and that was the evident intent. Intimidation like this has no place in a Nation governed by the rule of law, and the National Security Division will investigate and prosecute these cases to the fullest extent appropriate.”
Read more: https://t.co/vRZT3WnHux
— National Security Division, U.S. Dept of Justice (@DOJNatSec) November 3, 2026
The Oklahoma Election Board notified the FBI that it received a threatening letter containing an unknown white powder on Oct. 13. The FBI and the United States Postal Inspection Service (USPIS) had been investigating threatening letters with white powder being sent to election offices since 2024, according to the release.
“Threatening election officials and attempting to intimidate public servants is a serious federal offense and will not be tolerated,” U.S. Attorney Robert J. Troester for the Western District of Oklahoma said in the statement. “Working alongside our federal law enforcement partners, we are committed to investigating these threats and holding accountable those who seek to spread fear and intimidation in our communities.”
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