demetrious johnson's technique is done. oh, demetrious johnson, remains the ufc flyweight champion. wo wow! >> by knockout. >> we were just talking about how good his technique is and he landed a picture perfect right hand, outstanding. just absolutely amazing. >> johnson the first man to ever stop joseph benavidez. incredible. but i was saying be every the punch landed if you were going to show a young fight hear what he can emulate. can you do no better about that demetrious mighty johnson's technique. everything he does is pick perfect. he doesn't load up on anything, he doesn't muscle anything. he does everything perfect. he saw an opening. look at this. bang. caught him on the button bnz went down, mighty mouse jumped on him, one, two, three, before the referee could even get to him. big, perfect, benavidez's legs go. he is probably already out and johnson lands four or five more before big john mccarthy can get to him. >> mighty mouse knocks out benavidez and remains the best in the world. . >>> tonight, new developments in a shooting at a colorado high school, as authorities