Senate Hearing on Killings in Anti-Drug Operations, Including that of Kian delos Santos Office of Sen. Ping Lacson 7 years ago 1 / 7 Share this: Agenda and Guest List for the Senate Hearing on Killings, Including that of Kian delos SantosDateOctober 2, 2017In relation toAdvisorySen. Lacson Presides over the Hearing on Recent Killings, Including that of Kian delos SantosDateOctober 2, 2017In relation toHearings/InvestigationsThe next hearing on deaths from anti-drug operations, including that of Kian delos Santos, is on September 5DateSeptember 4, 2017In relation toAdvisory