This picture taken on September 1, 2016, shows policemen investigating at a crime scene where a body lies dead on the ground after the police received a message from a concerned citizen of the existence of a drug den in the area. Two were captured alive, one died. Philippine President Rodrigo Duterte called US leader Barack Obama a "son of a whore" on September 5 as he left on his foreign trip with more than 2,400 people dead in his bloody two-months-old war on crime. / AFP PHOTO / NOEL CELIS