By the time Caravaggio died he had changed the face of the art world forever. But the paintings that now fetch millions and adorn the walls of the world's most prestigious galleries were pai... Read allBy the time Caravaggio died he had changed the face of the art world forever. But the paintings that now fetch millions and adorn the walls of the world's most prestigious galleries were painted by a murderer with a bounty on his head.By the time Caravaggio died he had changed the face of the art world forever. But the paintings that now fetch millions and adorn the walls of the world's most prestigious galleries were painted by a murderer with a bounty on his head.