Caché (2005)

This is a solid French movie. A literary TV host, Georges, and his wife (Juliette Binoche) are disturbed to find mysterious video tapes on their porch showing that their apartment is being monitored. A gruesome crayon drawing is usually included with the package. At first, they suspect that their 12-year-old son or one of his friends is pulling a prank. Later, Georges wonders if the perpetrator is an Algerian man who stayed with his family for a few months when he was a boy. The man seems baffled when Georges accuses him of producing the threatening messages.

The film is also known as Hidden. On October 17, 1961, during the Algerian War for independence, French police attacked 30,000 Algerians who were holding a peaceful demonstration. There is no official tally on the number of deaths, because the French government has been reluctant to talk about the incident, but estimates are between 70 to 200.