He was also suspected of having bludgeoned to death a Russian dancer , Anya Sosoyeva , as well as having assaulted the young actress Delia Bogard , who survived . He was also suspected of having linked to death a Russian dancer , Anya Sosoyeva , as well as attacking the young actress Delia Bogard , who survived . He was also suspected of having caught a young dancer , Anya Sosoyeva , to death , as well as attacking the Russian actress Delia Bogard , who survived .