John Chisholm was found guilty witnesses gave evidence anonymously for the first time in a North East courtroom.A jury was told how Robert Anderson suffered wounds to his chest, arm, leg and thumb after the BMW he was driving was ambushed in broad daylight by Chisholm in Hylton Road, Sunderland.Newcastle Crown Court heard that on May 24, 2007, Chisholm carried out the brutal assault in revenge for an earlier attempted shooting of his son, which Mr Anderson was accused of being involved in, but later cleared.Chisholm snr denied wounding with intent, violent disorder and intimidation.The 49-year-old claimed he had been the victim of a "campaign...