The Case of the Scorpion's Tail (La coda dello scorpione) is a 1971 Italian-Spanish-UK mystery thriller film. It features George Hilton, Anita Strindberg, Alberto de Mendoza, and Janine Reynaud.
The Case of the Scorpion's Tail begins with the mysterious death of a millionaire and spirals into the murder of his suddenly rich wife, which draws the attention of a dogged investigator, who follows a trail of blood to the bitter end.