This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
I saw arrogant and stupid.
I didn’t see knowing and willful.
The first message may have been by mistake. Every single message after that was knowing and willful. This isn’t a message between friends. These were highly classified communications between top admin officials. They are aware of the law and policies regarding classified information and willfully engaged in communications on an unsecured platform. Any person could have stopped it after the first message.
The law requires people to knowingly and willfully release confidential information.
Just using unsecured platforms for communications is not illegal (otherwise Hillary would have been prosecuted).