Three men facing murder charges in a triple slaying in Berkshire County will go on trial in January, a judge has ruled. Adam Lee Hall, David Chalue, and Caius Veiovis appeared together in court Wednesday for the first time since their arraignment 18 months ago amid heavy security. They are charged with killing David Glasser, Edward Frampton, and Robert Chadwell of Pittsfield in August 2011. Glasser was killed so he could not testify against Hall, a member of the Hells Angels, in an unrelated court case, prosecutors said. The other victims were killed to eliminate witnesses, prosecutors said.