direct to your inboxDavid Allan had so much to look forward to.But a trip to the shop to buy some food ended with him being beaten to death on the street.That brutal attack cut short a life of promise and ambition.It also left two friends, Aiden Matthews and Joseph Stott, facing a life sentence for murder.The catalyst for these events appeared to be when 23-year-old Mr Allan, who had recently graduated from university, knocked a 12-year-old boy off his bike.Get the latest updates from across