Ed and Elaine Brown were sentenced in absentia for allegedly not paying income taxes for nearly ten years, and allegedly owing a quarter million. They were sentenced to 5 years in prison. I believe Elaine Brown is actually Dr. Elaine Brown, a licensed dentist.
Apparently, the FEDS are now moving on them with armored vehicles and helicopter support, ala WACO or Ruby Ridge.
Here is a live feed from the area