Question: The murderer in the investigation the documentary The Witness covers was sentenced to what official punishment?
{'answer': 'life imprisonment', 'supporting_facts': [['The Witness (2015 American film)', 0], ['The Witness (2015 American film)', 1], ['The Witness (2015 American film)', 2], ['Murder of Kitty Genovese', 0], ['Murder of Kitty Genovese', 1], ['Murder of Kitty Genovese', 2]]}