Through increased collaboration, countries can deploy their sanctions and designations authorities to strategically target transnational violent extremism. In May 2025, federal authorities extradited Georgian national Michail Chkhikvishvili (aka “The Butcher”) on charges including soliciting hate crimes and acts of mass violence in New York City. According to the FBI, Chkhikvishvili is the leader of the Maniac Murder Cult (MKY), a transnational violent extremist group that “adheres to a neo-Nazi accelerationist ideology and promotes violence against racial minorities, the Jewish community and other groups it deems ‘undesirables.’” The charged offenses relate to a plot to conduct a mass casualty attack on...