18-Year-Old Salvador Romas murdered 14 children and one teacher at Robb Elementary School in Texas on Tuesday afternoon.
Romas also reportedly shot his grandmother this afternoon.
Salvador Romas posted photos online before his shooting.
Salvador was shot and killed by police.
Accoring to Spanish site TN.com.ar —
Four days before committing the massacre, the 18-year-old posted an image of two long weapons on his Instagram and tagged the user @epnupues, whom he did not know.
Minutes after the attack, the Instagram user posted a conversation with the killer. In the talk, Ramos warned him to answer him within an hour because he was going to tell him a secret.