一名国民警卫队袭击嫌疑人在事件发生前一直孤立无常地行事,引发了先前的忧虑。 A National Guard attack suspect had been isolating and behaving erratically before the incident, sparking prior concerns.

据社区成员称,国民警卫队袭击的嫌疑人多年来一直处于“黑暗隔离”时期。 社区成员说,他在猛烈撤退和鲁莽旅行之间交替旅行,引起事件发生前的关切。 The suspect in the National Guard attack had been experiencing periods of "dark isolation" for years, according to community members, who said he alternated between intense withdrawal and reckless travel, raising concerns before the incident.