经过五年调查，联邦调查局逮捕了一名与2021年华盛顿特区管状炸弹案有关的嫌疑人。 联邦调查局逮捕了一名与 2021 年 1 月 5 日放置在共和党和民主党全国委员会办公室外的管状炸弹有关的嫌疑人。 FBI arrests suspect in connection with 2021 D.C. pipe bomb case following 5-year investigation The FBI has arrested a suspect connected to the pipe bombs placed outside the Republican and Democratic National Committee offices on January 5, 2021.