A police officer saw the defendant walking on the street at $2$ : $00$ ?a $.$ m $.$ ?The officer have no reasonable suspicion to believe he was involved in any crime but wanted to know why he was out so late. The officer stopped him and asked him to identify himself. The defendant refused to do so $.$ ?According to the State law, it is a crime to refuse to identify oneself upon being asked by a police officer regardless of whether the officer has reasonable suspicion to make the stop. According to relevant Supreme Court decisions, the law is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$ ?constitutional unconstitutional