仅事实
枪手袭击达拉斯ICE设施，造成多人死伤
摘要
一名枪手在达拉斯ICE拘留设施开火，导致一名被拘留者死亡，两人受伤，随后枪手自杀身亡。
周三上午，一名枪手在美国达拉斯的一处移民与海关执法局（ICE）拘留设施开火，造成一名被拘留者死亡，另有两人受伤。枪手被确认是29岁的约书亚·贾恩（Joshua Jahn），在执法人员逼近其位置时，他因自残枪伤身亡。
袭击发生在当地时间早上7点左右，贾恩从附近一座屋顶向ICE设施开火。两名受伤的被拘留者已被送往当地医院，情况危急。事件中没有ICE官员受伤。
联邦调查局局长卡什·帕特尔（Kash Patel）表示，收集的证据显示“袭击前有高度的预谋”。调查人员发现贾恩曾研究国土安全部设施，并下载了与达拉斯县国土安全与应急管理办公室相关的文件。此外，他在袭击前几天还搜索了弹道学信息及保守派活动家查理·柯克（Charlie Kirk）遭枪击的相关资料。
在贾恩住所发现的一张手写纸条上写着：“希望这能让ICE特工感受到真正的恐惧，去想‘那屋顶上是否有装甲穿透弹的狙击手？’”这里的“AP”被认为指的是装甲穿透弹。
针对这次袭击，国土安全部长克里斯蒂·诺姆（Kristi Noem）下令在全国ICE设施加强安全措施，并将事件归咎于“极左派”的言论。
今年以来，德克萨斯州ICE设施接连遭受袭击，包括8月同一达拉斯设施的炸弹威胁以及7月阿尔瓦拉多ICE拘留中心的伏击事件。
调查仍在进行中，联邦和地方当局正努力查明贾恩的详细策划过程及是否存在潜在同谋。
来源
NPR事实核查
使用外部来源和数据库核实文章的事实。
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A gunman opened fire at a U.S. Immigration and Customs Enforcement (ICE) detention facility in Dallas on Wednesday morning, resulting in the death of one detainee and injuries to two others.
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The shooter, identified as 29-year-old Joshua Jahn, died from a self-inflicted gunshot wound as law enforcement closed in on his location.
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The attack occurred around 7 a.m. local time, when Jahn fired from a nearby rooftop onto the ICE facility.
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FBI Director Kash Patel stated that evidence collected indicates 'a high degree of pre-attack planning.'
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A handwritten note recovered from Jahn's residence read, 'Hopefully this will give ICE agents real terror, to think, 'is there a sniper with AP rounds on that roof?''
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In response to the attack, Homeland Security Secretary Kristi Noem ordered increased security measures at ICE facilities nationwide.
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This incident follows a series of attacks targeting ICE facilities in Texas this year, including a bomb threat at the same Dallas facility in August and an ambush at an ICE detention center in Alvarado in July.
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