Police say the suspected gunman behind a deadly shooting of at least 10 people Friday at Santa Fe High School in southeastern Texas is 17-year-old male student Dimitrios Pagourtzis, according to multiple sources.

The student was taken into custody following the attack, which occurred around 7:45 a.m. local time Friday. A second suspect was detained.

Pagourtzis is an 11th grade student at the high school. Prior to the shooting, his Facebook page contained a photo of him wearing a "Born to Kill" t-shirt, Metro reported.



Santa Fe High School Texas shooter allegedly Dimitrios 'Dimitri' Pagourtzis, per students. Facebook page deleted. YouTube account still up. Photos from Dimitrios Pagourtzis Facebook allegedly taken before page taken down - but a fake profile account may have popped up. Insignia pic.twitter.com/yDYjSR8BQA — Paula Neal Mooney (@PAULANEALMOONEY) May 18, 2018



His Instagram account included pictures of a toy rifle strung to an arcade video game, a frog, and one of a gun, knife and torch on a bed.



The _dimitrios_pagourtzis Instagram account: Only 3 posts, 4 followers and 13 following. Photos allegedly from April 24 - but can people backdate IG posts? pic.twitter.com/FphvIJGQbz — Paula Neal Mooney (@PAULANEALMOONEY) May 18, 2018

[Also read: Santa Fe High School student: 'I've always kind of felt like eventually it was going to happen here, too']