Oregon Live via Patriot Update:

Government agents have linked a Portland-area man to the mass mailing of threatening letters — laced with a mysterious white powder — to members of Congress and news media outlets.

A federal grand jury in Portland today handed up a two-count indictment that accuses 39-year-old Christopher Lee Carlson of mailing threats last month to U.S. House Speaker John Boehner, R-Ohio, and U.S. Sen. Barbara Mikulski, D-Md.

The letter to Mikulski “indicated that it may contain a lethal pathogen to which the recipient may have been exposed” and the letter to Boehner contained a threat to injure him, according to the indictment. The missive to Mikulski threatened the use of a biological weapon.

This is the guy who sent letters to Colbert and Stewart explaining that one in ten of the letters he mailed would contain actual deadly pathogens. Yeah, that guy.