Yeah, when a leader starts killing their own people, even if they were democratically elected, the people have a right to immediately to use whatever means at their disposal no matter whether in our outside the legal system, to overthrow that killer leader: https://medium.com/non-violence/ru-supported-ua-president-viktor-yanukovych-killed-protestors-lost-democratic-mandate-in-2014-5e384e6dd70f