Opposition Senator Leila De Lima holds some documents as she questions witnesses at the resumption of the Philippine Senate probe on extrajudicial killings in the continuing "war on drugs" campaign of President Rodrigo Duterte Monday, Oct. 3, 2016 in suburban Pasay city, south of Manila, Philippines. The Philippine Senate's Committee on Justice and Human Rights, has invited witnesses to look into the possible human rights violations and extrajudicial killings in Davao city when Duterte was still the city mayor as well as the current "war on drugs" campaign by the present administration. (AP Photo/Bullit Marquez)