 During the course of his job as a long distance delivery van driver in the 1970s, Black had made deliveries in the Exeter area.In 1996, an eyewitness claimed to have seen a vehicle of the model he is known to have driven in 1978 at Exeter Airport on the day of Genette's disappearance.The police inquiries were unable to establish that Black had been in Aylesbeare on the day of the disappearance.