William Camuti , Friday , is charged with attempted murder and misleading police . Rakes and victim William Camuti were longtime business associates . The two men met that afternoon in a McDonald 's in Waltham , and Camuti bought two iced coffees , one of which he allegedly laced with two teaspoons of potassium cyanide and gave to Rakes , who drank it , authorities said . Camuti was indebted to Rakes and allegedly poisoned his iced coffee . Camuti attended the murder trial of reputed Massachusetts crime boss Whitey Bulger .
William Camuti , Friday , is charged with attempted murder and misleading police . Rakes and victim William Camuti were longtime business associates . Camuti was indebted to Rakes and allegedly poisoned his iced coffee . Camuti attended the murder trial of reputed Massachusetts crime boss Whitey Bulger .