His investigations, often conducted under cover, led to the recovery of Munch’s masterpiece as well as stolen paintings by Vermeer and Titian.His investigations, often conducted under cover, led to the recovery of Munch’s masterpiece as well as stolen paintings by Vermeer and Titian.Read MoreHill, Charles (1947-2021), Deaths (Obituaries), Art, Robberies and Thefts, Scotland Yard (Metropolitan Police Service), Detectives (Private)