Hells Angel member Adam Lee Hall was found guilty of three murders in Hampden Superior Court Friday.
Hall's sentencing was scheduled for 12 p.m. Friday, but the judge rescheduled it to Monday at 9 a.m.
Hall was also found guilty of three counts of intimidating a witness, four counts of kidnapping and assault and battery with a deadly weapon.
Hall, David Chalue and Caius Veiovis allegedly kidnapped three men in Pittsfield in 2011 and then killed them. Hall was the first to be tried.
Prosecutors said one victim was killed so he couldn't testify against Hall in a court case. The others were allegedly killed to eliminate witnesses.
The 36-year-old Peru native was a ranking member of the Hells Angels. He faced more than a dozen charges, including multiple counts of kidnapping and homicide from three different incidents from 2009 through 2011.
The trial was held in Hampden Superior Court in Springfield because of the publicity the case received in Berkshire County.
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