Cleopatra: portrait of a killer

Cleopatra - the most famous woman in history. We know her as a great queen, a beautiful lover and a political schemer. For 2,000 years almost all evidence of her has disappeared - until now. In one of the world's most exciting finds, archaeologists believe they have discovered the skeleton of her sister, murdered by Cleopatra and Mark Antony. From Egypt to Turkey, Neil Oliver investigates the story of a ruthless queen who would kill her own siblings for power. This is the portrait of a killer. (BBC)