 In 2004, she delivered the "Metrorail" judgment, which holds that Metrorail has a duty to ensure the safety of commuters on its trains and is regarded as an "exemplar" by international commentators for its protection of the right to personal security.And in 2005, most famously, O'Regan gave judgment in "K v Minister of Safety and Security", finding the state liable to compensate a plaintiff who was raped by a police officer.The judgment's radical expansion of the test for vicarious liability, following "Bazley v Curry" and "Lister v Hesley Hall Ltd", was celebrated by women's rights groups but criticised by some academics.