A new suspect was arrested in the Sept. 29 attack.
DNAinfo has assembled a who's who in the violent confrontation between Alexian Lien and bikers.
An undercover cop witnessed the attack on an SUV driver, but did not stop the beating, sources said.
Alexian Lien's wife felt sympathy for the injured bikers, but said her family's lives were threatened.
Allen Edwards, 42, surrendered Tuesday, but the DA's office said it wouldn't immediately prosecute.
Allen Edwards turned himself in Tuesday after he and others attacked an SUV two days before, police said.
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