Boy, 16, attacked London shopkeeper Vijaykumar Patel after row over cigarette papers A teenage "time bomb" has been detained for four years for killing a shopkeeper who refused to sell him Rizla papers. Vijaykumar Patel, 49, sustained a catastrophic head injury in an unprovoked attack by the 16-year-old boy outside a minimarket in Mill Hill, north London, in January.