Subscribe to our channel to be the first to see our viral, breaking news videos. Twitter.com/swns Instagram.com/swns<br /><br />This is the shocking moment a star of hit fly-on-the-wall BBC documentary Scrappers ploughed into a pensioner in a grisly high-speed horror crash while high on cocaine. <br /><br />Lewis O’Boyle, 23, shot through a junction five seconds after the traffic light had turned red, smashing into James Crowder’s Astra which was sent spinning just before midday. <br /><br />The TV sensation fled the scene before being persuaded to hand himself into police four hours later where he told officers: "I know I'm going to get done for this and I should."