Article originally published by The World

In cities across the United States this past week, protesters have been confronted by police carrying shields and batons and hulking armored vehicles that might look to some people like a scene straight out of a war zone.

Widespread protests against racial inequalities and excessive use of force by police following the killing of George Floyd in Minneapolis with a white policeman's knee on his neck have revived a debate about equipment and tactics used by police around the United States that critics say should be confined to a battlefield. Meanwhile, international human rights advocates observing how the US is handling the protests have said the US may be violating international law in its sometimes violent response. 

Agnes Callamard is the United Nations special rapporteur on extrajudicial, summary or arbitrary executions as well as the director of Global Freedom of Expression at Columbia University. She led the definitive investigation into the killing of Washington Post columnist Jamal Khashoggi. Callamard joined The World's host Marco Werman from outside Avignon, France . . .