Rann Bar-On

Dr. Rann Bar-On is a lecturer of mathematics at Duke University. He has been charged and is under investigation for striking a police officer with a pole. He also tried to light an American flag on fire. Duke continues to employ him.
Source: http://www.thetimesnews.com/news/20170522/us-marines-duke-lecturer-arrested-at-confederate-rally     https://www.campusreform.org/?ID=9314  http://www.dukechronicle.com/article/2017/05/duke-lecturer-arrested-for-assaulting-officer-at-confederate-rally