"Intended recipients included Justice Clarence Thomas, Rep. Lauren Boebert and GOP state lawmakers in Montana and Kansas ... The U.S. Postal Service intercepted several letters before they arrived at their target destinations.
"The suspicious letters ... come as law-enforcement officials have recently warned of a sharp increase in violent threats against elected officials, judges, election workers and lawmakers."
https://www.wsj.com/articles/fbi-investigating-powder-laced-letters-to-public-officials-f04ef42c