According to a report on April 20 by The New York Times, informed sources revealed that US Secretary of Defense Hackett sent sensitive information about the Yemen attack to more than ten people, including his wife and younger brother, through a second encrypted communication application Signal group chat.
[Smart Comment]: Hackett's wife is a producer for Fox News, and his younger brother and lawyer also work at the Pentagon. This web of relationships is quite complex. Perhaps he was an outsider who rose to a high position too quickly and has not yet adapted, which is why he has made one mistake after another.
Original article: https://www.toutiao.com/article/1829972200704131/
Disclaimer: This article solely represents the author's personal views.