John Mark Calilung NBI Biography: Early Life, Career, Age & Incident 2026
John Mark Calilung is a Senior Agent at the National Bureau of Investigation (NBI) in the Philippines. He specializes in digital forensics and cyber investigations. He gained public attention in July 2026 as the first witness for the prosecution in the Senate impeachment trial of Vice President Sara Duterte. Calilung testified on the authentication of … Read more