The Ukrainian government has insisted that the return of children from Russia be part of any peace deal with the country. Investigators say they have documented an extensive system where Russia routinely strips Ukrainian children of their cultural identity and teaches them Russian patriotic narratives and even combat skills. Russia deports thousands of Ukrainian children. Investigators say that’s a war crime A team at Yale University is using open-source materials to document the forced removal of Ukrainian children to Russia. It’s still unclear how many Ukrainian children are in this network.