Aaron Hernandez ambushed and shot to death two men after a chance encounter inside a Boston nightclub, prosecutors said Thursday as they announced new murder charges against the former NFL star, who was already awaiting trial in another shooting death. The victims in the 2012 killing, Daniel de Abreu and Safiro Furtado, were shot to death in a car as they waited at a red light on a July night in Boston's South End neighborhood. Suffolk District Attorney Daniel Conley would not elaborate on what happened in the nightclub, other than saying that the encounter ''triggered a series of events that ended in the murders.'' But he said that after the men left, Hernandez followed in an SUV, then pulled up alongside the vehicle and fired multiple shots from a .38-caliber revolver into the passenger's side, killing de Abreu and Furtado, and wounding a third man. Conley said there was no evidence that Hernandez knew the victims prior to that evening. More...