MARK OF THE TORTOISE 1964 Man Tries to go Undercover in a Murderous Crime Gang FULL MOVIE in HD

MARK OF THE TORTOISE 1964 - German Krimi Film with English Subtitles. The nephew of a murdered millionaire decides to track down his uncle's killer. All clues lead to a sinister criminal nicknamed "The Tortoise". The nephew decides to get into the inner circle of the criminal gang.