New MI6 chief's grandfather was infamous Nazi spy 'The Butcher'
Blaise Metreweli, MI6’s first female chief, faces scrutiny after reports revealed her grandfather was a notorious Nazi spy dubbed “The Butcher” for alleged wartime atrocities. MI6 defends Metreweli’s record, stressing she had no ties to his past. The controversy sparks debate over how much family history should matter in top security roles.