TACOMA, Wash. (AP) -- A Vancouver, Wash., man charged in connection with threatening letters containing white powder that were sent to members of Congress and some media organizations has agreed to be moved from a Washington state detention center to a Portland, Ore., jail.
A federal prosecutor in Portland, Steve Peifer, said 39-year-old Christopher Lee Carlson appeared briefly Monday in federal court in Tacoma, Wash. He was arrested Friday in Washington state.
U.S. marshals are expected to move Carlson to Portland, where he will be arraigned on two criminal counts arising out of an investigation into the mailing of about 100 envelopes containing white power.
The U.S. attorney's office says the letters, postmarked in Portland, so far have tested negative for toxic substances.
The registered nurse is charged with one count of mailing a threatening communication to a member of Congress, specifically Republican House Speaker John Boehner of Ohio. The second count charges the man with mailing a letter threatening to use a biological weapon to a U.S. senator -- Democratic Sen. Barbara Mikulski of Maryland.