Robert Knight, 41, of RK Transport Trade Centre, will be sentenced next month after admitting 15 counts of engaging in unfair commercial practice Complaints about Robert Knight - who has appeared at Cardiff Crown Court - were aired on consumer programme X-Ray because of problems with a Ford Galaxy he had sold Robert Knight, 41, of RK Transport Trade Centre Ltd, was also aggressive to more than a dozen other customers and sold one man a car which was dangerous. Knight's behaviour was detailed in Cardiff Crown Court after he pleaded guilty to 15 charges of engaging in unfair commercial practice and one count of supplying a dangerous product.