In September 2012, he sued a former fork-lift driver who allegedly posted defamatory comments on Facebook about him.

In March 2013, two cheerleaders (one a PBHS student, the other a student at Walker Butte K-8) allegedly posted a hit list online.

He allegedly posted statements and pictures which some people construed as insulting Islam and the prophet Mohammad.

In 2010, a Dallas, Texas man was arrested for allegedly posting to Craigslist, "People, the time has come for revolution.

In September, the Las Vegas Review-Journal sued her for copyright infringement after she allegedly posted entire articles from the publication on her campaign website without permission.

On December 8, 2007 from a computer at Loyola Marymount University, a student allegedly posted a threat to shoot random students on the campus' "Alumni Mall".

The council was trying to discover the identity of a blogger called "Mr Monkey" who allegedly posted libellous statements about three local councillors.

On July 1, LaRose allegedly posted an online solicitation for funds to support terrorism.

A 20-year-old woman has been charged after allegedly posting a Facebook invite to a "riot" in Wakefield.