To sum up, the defendant Xiao XX violated the provisions of Articles 13 and 106 of the Criminal Law of People's Republic of China (PRC), which constituted the crime of intentional homicide and intentional arson. The facts of the crime are clear and the evidence is indeed sufficient. Therefore, the crime of intentional homicide and intentional arson should be investigated for the most criminal responsibility. According to article 14 1 of the Criminal Procedure Law, please be sentenced according to law.