MANILA, Philippines — A security guard who shot dead two of his colleagues in Quezon City told the police on Thursday that he did it due to workplace “bullying” that had tormented him for quite some time. The suspect, identified as Charren Aporado Caboverde, 24, has since been arrested after the fatal Wednesday shooting of Renato Santiago Mallo, 41; and Mark John Baguinio, 28, at Mitsubishi Car Dealership in Commonwealth Ave. in Barangay North Fairview. READ: 2 security guards shot dead in QC on Christmas Eve Before the shooting, Caboverde approached the sales executive of the car dealership, informing him […]... Keep on reading: Security guard shoots 2 co-workers dead in QC over ‘bullying’ – police