Bibaa Henry (aged 46) and Nicole Smallman (aged 27) were two sisters who were stabbed to death by Danyal Hussein in Fryent Country Park, Kingsbury, north-west London, England, on 6 June 2020. The reporting and investigation of their killings provoked widespread discussion of women's safety, police misconduct and systemic racism. It also provoked discussion of the access to far-right and violent Satanist material available online, which was a motive of the killer.