Law Enforcement agents gather at a rear door entrance at Apalachee High Sch...

Law Enforcement agents gather at a rear door entrance at Apalachee High Sch...

Gretchen Gerlach holds signs that read “Protect My Community Prevent Anothe...

Law Enforcement agents gather at a rear door entrance at Apalachee High Sch...

Law Enforcement agents gather at a rear door entrance at Apalachee High Sch...

Police officers respond to a deadly school shooting at Apalachee High Schoo...

Gretchen Gerlach holds signs that read “Protect My Community Prevent Anothe...

Police officers respond to a deadly school shooting at Apalachee High Schoo...

Police officers respond to a deadly school shooting at Apalachee High Schoo...

Police officers respond to a deadly school shooting at Apalachee High Schoo...

Police officers respond to a deadly school shooting at Apalachee High Schoo...

Police officers respond to a deadly school shooting at Apalachee High Schoo...

Police officers respond to a deadly school shooting at Apalachee High Schoo...

Police officers respond to a deadly school shooting at Apalachee High Schoo...