PI.com:

A California woman awaiting retrial for her role in a 2001 ecoterror attack that destroyed a Seattle research center has pleaded guilty to several charges.

Briana Waters admitted in U.S. District Court in Tacoma Tuesday that she served as a lookout during the blaze that destroyed a University of Washington research center and that a partner built the incendiary bombs for the arson at her Olympia, Wash., home. She also admitted she participated in the 2001 arson of horse corrals in Susanville, Calif.

The 35-year-old violin teacher pleaded guilty to conspiracy, arson, possession of an unregistered destructive device and using a destructive device during a violent crime.