Hulu’s New ‘Boston Strangler’ Movie Stars Keira Knightley as Journalist Who Broke StoryHulu’s New ‘Boston Strangler’ Movie Stars Keira Knightley as Journalist Who Broke Story"Boston Strangler," a new true-crime movie coming to Hulu March 17, tells the story of a string of 1960s Massachusetts murders through the eyes of a journalist. GazelleGazelle