A prolific shoplifter has been banned from three supermarkets and a discount store following a persistent spate of stealing. Nina Roach, 36, has been ordered by magistrates to stay out of Sainsbury’s Local, Aldi, Tesco Metro and Poundland in Canterbury. It follows her appearance at Folkestone Magistrates’ Court, where a three-year criminal behaviour order was imposed following an application by Kent Police. Roach, of Whitstable Road, Canterbury, who has numerous previous convictions for theft, pleaded guilty to stealing alcohol from two shops in the city and was ordered to pay £93 compensation…