New Harrowing Details: Texas Shooting Suspect Locked Himself Inside Classroom Where All Victims Were Found

[Warning: Potentially Triggering Content] More unsettling details of Tuesday's deadly mass school shooting in Texas have come out — as chaos continues to follow in its wake. According to reports, the gunman who killed 19 elementary school students and 2 teachers with a semi-automatic rifle this week barricaded himself inside the classroom where all of