the same ♪ ♪ percocets molly percocets percocets molly percocets rep the set gotta rep the set ♪ ♪ chase a check never chase a ♪ ♪ mask on -- it mask off mask on -- it mask off ♪ ♪ percocetsmask off mask on -- it mask off ♪ ♪ mask on -- it mask off gas gone never nod off ♪ >> make some noise for future! >>> tonight, a special edition of "nightline." "femicide, the untold war." we journey to one of the most dangerous places on earth to be a woman. >> we're going on a ride-along with the military police. >> we're may cheechismo and gan culture breed violence. >> men can do anything they want with a woman. >> the tragic murder of a beauty queen a symbol for a nation of women living in fear. >> he hit you really hard. >> the crisis forcing thousands to seek shelter on our shores. on the front lines of the fight for change. to end the epidemic of femicide. this special edition of "nightline" "femicide, the untold war," will be right back.