Palm Springs, California, police arrested Mandie Kearns, 28, of Desert Hot Springs, for allegedly stabbing two African-Americans on April 5, 2007.
The incident occurred behind a coffee shop in Palm Springs, after a street fight had broken out involving a group of 15 to 30 people.
The two victims found by police, a man and a woman, both 20 years old, were severely beaten and stabbed; the woman had two collapsed lungs.
Police arrested Kearns at the scene, where they found a bloody knife in her pocket. Kearns allegedly told the police that she is a member of a local white supremacist gang called Suicidal Tendencies.
Kearns is being held on $600,000 bail at the Palm Springs Jail on suspicion of assault with a deadly weapon and a hate crime charge.
Police are searching for additional suspects.