Robert Gladden is facing charges after a shooting at Perry Hall High School.
Gladden is charged with attempted first degree murder and first degree assault. Gladden is 15-years-old but he is being charged as an adult.
Read more about the special press conference on the shooting here .
Police say Gladden opened fire inside the cafeteria at Perry Hall High School Monday morning.
One student was shot during the incident. The student was in critical condition at Shock Trauma Tuesday morning.
Monday was the first day of the school year for students at one of Baltimore County's largest public high schools.
Several students who witnessed the shooting say Guidance Counselor, Jesse, tackled Gladden after the first shot was fired. Witnesses say a second shot was fired into the ceiling during the struggle.
A Facebook page has been started by students at the school thanking Wasmer for his "heroic" efforts.