the suspected government is of course a 17-year-old, dimitrios pagourtizis. being held without bond at this hour on capital murder charges. investigators say that he terrorized his classmates and teachers for about 30 minutes inside of the santa fe are complex before he eventually surrendered to police. >> was dirty mutely barricading the door. as soon as we got in the classroom, me and fellow classmates are trying to calm the girls down because they were just crying, it was real. it was actually happening to our school.i knew all of them. i guess it is a small town, everyone knows everyone. i am just blown away at the magnitude of it all. >> and we live down santa fe texas. this must be an overwhelming emotional experience there for some of the students that are being escorted back into the school. >> some of them are. you can imagine what that process must be like. it is very controlled. students are being brought onto campus in groups of about 10. they are logged in and then they are personally escorted one-on-one with an officer to go inside the building