A convicted criminal who bought himself a BB gun did not realise he was banned from owning a firearm, a court heard. Jordan Gray was given a four-month suspended sentence in July last year after being charged with possessing a knife. In England, if someone receives a custodial sentence of between three months and three years, which includes suspended sentences, they are automatically prohibited from having a gun for five years. Last Wednesday (July 10), Sevenoaks magistrates heard police found the weapon – an air pistol – at the 28-year-old’s home in Snodland on April 9 after a tip-off. Sidumi…