联邦调查局得出结论，克鲁克斯单独行动，企图刺杀特朗普。 联邦调查局得出结论，托马斯·马修·克鲁克斯去年独自一人且无动机地对唐纳德·特朗普总统实施了刺杀未遂，调查就此结束。 FBI concludes Crooks acted alone in assassination attempt on Trump The FBI concluded that Thomas Matthew Crooks carried out his assassination attempt against President Donald Trump last year alone and without a motive, bringing the investigation to a close.