Brian Dean Miller could be sentenced to up to five years in federal prison and fined up to $250,000 after entering his plea in a federal court in Dallas on Tuesday. U.S. attorney's spokeswoman Kathy Colvin says the 43-year-old man remains is being detained until his sentencing, which has not yet be scheduled.
A posting titled "Obama must die" turned up on a Craigslist site on March 21, the night Congress passed a health care overhaul bill. The posting said Miller was following through on a vow to become a terrorist if the bill passed.
Authorities were able to track Miller through his e-mail address. He was living with his mother.