A tense new development has surfaced following the shooting incident inside the Senate complex, after National Bureau of Investigation (NBI) Director Melvin Matibag revealed a copy of a request letter from the Government Service Insurance System (GSIS) seeking the deployment of NBI personnel at the premises on the very day the incident unfolded. The letter, dated May 13 and signed by GSIS President and General Manager Wick Veloso, asked the NBI to send personnel to the GSIS c