Farmer is very concerned about the need to alert the public to poor security and, so far, events have proved him right.

法默非常担心需要提醒公众注意糟糕的安全状况，到目前为止，事实证明他是对的。

youdao

KING: : What if he took his concerns to the next step and threatened you? So shouldn't you be concerned about him? You, Iran?

金：如果他将他的担心提升到另一个层次，对你发出威胁呢？你难道不担心他吗？你，伊朗？ ？

youdao

The professor who taught him, Lucinda Roy, said she spoke repeatedly to the university authorities about him, adding she was so concerned by what she found that she decided to take him out of the classroom for one-to-one tutoring.

BBC: NEWS | Americas | Loner filled with anger and spite

She said she later contacted campus police because she was "so concerned" about what happened during her last meeting with him, but she declined to detail what bothered her.

CNN: STORY HIGHLIGHTS