Keith Cowell, 52, his son Matthew, 17, and 33-year-old lorry driver Tony Dulieu - were slaughtered by sub-machine gun in an underworld feud
Ian Jennings heard gun shots, screaming and crying as a he hid in the back garden of a suburban home after escaping the carnage.The three victims - Keith Cowell, 52, his son Matthew, 17, and 33-year-old lorry driver Tony Dulieu - were slaughtered by sub-machine gun in an underworld feud over the quality of cocaine that had been supplied by Jennings, St Albans crown court heard.Jennings's mother Christine, 54, was shot in the foot and stabbed andMatthew's girlfriend Claire Evans, 23, was also stabbed as she frantically protected her 4-year-old daughter Courtney in a bedroom. Jennings, the man who had brought the drugs to the Cowells' house in Plaw Hatch Close, was saved because he was getting himself a drink in the kitchen when two men burst in.Shaven-headed Jennings, who was dressed in a track suit and trainers, told the jury: "Two Asian guys came in through the front door and told everyone to get on the floor. They shot the dog. I ran straight out through the kitchen,...