Ex-detective Dave Grimstead and his forensics team investigate the disappearance of George Johnstone, who vanished off the Norfolk coast in 1984 while on a family holiday

Dave Grimstead and his team of cutting-edge forensic experts investigate the death of an unidentified man found in a London street in 1994

Dave Grimstead from Locate International travels to Germany on the trail of a man found dead in the North Sea 30 years ago.