Police investigators and school personnel secure the crime scene inside San Jose National High School in Tacloban City as authorities examine the area where the deadly shooting occurred. Classrooms and surrounding grounds were cordoned off during the ongoing investigation. (Photo by Joey A. Gabieta)

MANILA, Philippines — One of the suspects in the shooting at the San Jose National High School in Tacloban City on Monday posted gun-related videos on his social media account, the Philippine National Police (PNP) said.

“Upon verification of the social media accounts of one of the suspects, we saw that he had posted violent videos pertaining to guns, including a video of him firing a gun,” PNP public information chief Col. Allen Rae Co said in a press briefing at Camp Crame.

“So, he very obviously had plans. If the school authorities or anybody were able to monitor these red flags, this could have been prevented,” he added.

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