The argument holds no weight with Professor Gareth Williams, whose book - Angel of Death - charts the history of smallpox.

BBC: Should the US and Russia destroy their smallpox stocks?

Cuban prosecutors are reported to be seeking a seven-year jail term for Spanish politician Angel Carromero over the death of dissident Oswaldo Paya in a car crash.

BBC: Cuba prosecutors seek seven years for Spain's Carromero

Similar discords erupt through the film, including the murky choking as Madeline jumps into San Francisco Bay, the sonic explosion following each plummeting death, including Scottie's nightmare, and the goose-pimply cluster traveling up the tower stairs with the shadowy nun an angel of death if ever there was one.

NPR: 'Hitchcock's Music' Scores Big on Suspense