During the speech of US Secretary of State Antony Blinken, a person sitting behind with his hand covered in blood showed the f

During the speech of US Secretary of State Antony Blinken, a person sitting behind with his hand covered in “blood” showed the following words in sign language: “Butcher, genocide, criminal, murderer.” And what is he wrong about? Matrёshka? Source: Siberian matrёshka?