SILENT WITNESS, Season 6– SERIES (NR) Dr. Samantha Ryan, London University Professor of forensic pathology in four grisly cases. If the Dead could talk! Sam and her new colleagues search for links between the severed arm found in a car crash and a one-armed body pulled from the River Thames. How to explain the mummified corpse in an old factory and the deathly-still bodies of a suburban family? Despite her high-pressure job and pushback from the police and powerful forces, Sam makes time for romance with an old flame.