Daniel Greenfield, a Shillman Journalism Fellow at the Freedom Center, is an investigative journalist and writer focusing on the radical Left and Islamic terrorism. The war of letters began when 22 countries penned a letter to the United Nations Human Rights Council condemning China's treatment of Uighurs and "other Muslim and minorities communities." The letter in defense of Muslim Uighurs in Xinjiang was signed by France, Germany, Canada, Sweden and 18 other, mostly Western and European, countries. The case of the missing Muslim signatories was solved when the People’s Republic of China fired back with its own letter signed...