In an ISIS propaganda video:
“Are you incapable of stabbing a kaffir [non-Muslim] with a knife, throwing him off of a building, or running him over with a car? Liberate yourself from hellfire by killing a kaffir.” Craig R. McCoy et al., “From Atlantic City High to ISIS: the path of a homegrown terrorist,” Philadelphia Inquirer, January 19, 2018, http://www.philly.com/philly/news/nation_world/american-isis-commander-atlantic-city-margate-zulfi-hoxha-2-20180119.html.