This 10 November 2018 video from the USA says about itself:
A new Brown University study says the US-led so-called “War on Terror” has killed around 500,000 people in Afghanistan, Iraq and Pakistan — an “undercount”, it stresses. And as Ian David Long — an-ex U.S. Marine who served in the Afghan war — kills 12 people in Thousand Oaks, California, might we also count victims of mass shootings carried out by U.S. veterans? We speak to Vijay Prashad of the Tricontinental Institute for Social Research.
See also here.