Federal investigation of letters with suspicious substances widens
NBC News ·

A federal investigation of letters containing unknown substances that were mailed to elected officials’ offices has expanded as some Republicans have been identified as targets of the mailings, a person with direct knowledge of the investigation told NBC News on Friday.
Publication and source information
- Platform
- NewsTiVi
- Source
- NBC News
- Published
- 10/16/2026, 9:07:39 PM
- Country
- United States
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