"That's a long time for someone to shoot at people," he said. "It takes some time for the SWAT team to get there, and during that time, the shooter has free rein to keep murdering people."
Joel Myrick is familiar with fighting an active shooter. A career educator, he was the assistant principal in 1997 at Pearl High School in a Jackson, Mississippi, suburb when a shooting occurred at the school
. The event is considered the first in the almost 20-year rash of mass shootings that continues today.
On October 1 of that year, a 16-year-old who had just stabbed and bludgeoned his mother to death drove to the school and killed ex-girlfriend Christina Menefee and classmate Lydia Dew before shooting seven other students, all in the span of a few minutes. Myrick remembers hearing the shots.
"Being an old Mississippi boy, I'd deer hunted and I knew immediately he had a deer rifle, a .30-(caliber) deer rifle," he said.
Myrick rushed to his car to retrieve a .45-caliber handgun. When the gunman got into a vehicle, Myrick cut him off at the pass, leveled his weapon and ordered him to stop. The teen swerved off the road and spun out, and the assistant principal was able to "apprehend him at that particular point till police came," he said.
'Fog of war'
Now a polymer science instructor at Hancock County Career and Technical Center in Mississippi, Myrick says he can't say for certain he'd do the same thing if a gunman attacked the kids in his charge today.
"I feel like I would, but I can't say with certainty," he said. "My DNA, I would try to do the same thing. That's my opinion, but I don't have any way of knowing."
The reason is because in the "fog of war," as the former National Guardsman of 21 years puts it, no one really knows what they'll do.
The CRASE training expands on this notion. Humans are strange, social creatures, Maj. Clifton explained. How one person reacts can dictate how others respond. Humans are also prone to habit, he said.
When the first plane hit the World Trade Center
on 9/11, some people took the time to log off their computers and fetch their purses or briefcases before evacuating.
When a fire engulfed The Station nightclub in Rhode Island
, where the band Great White was performing in 2003, 100 people died -- 58 of them
in the main entryway or just outside it, despite there being three other exits in the club.
"If something happens, most of you would exit the door you came in," Clifton said, pointing to the entrances in the back of the church auditorium.
Another human tendency hampering response in emergency situations is denial, he said.
"The brain doesn't want to think something bad is happening," he said.
That delay can put you in greater danger, especially when you consider that as your stress level spikes, along with your heartbeat, your ability to act rationally can be diminished. Once your heart rate hits 150 beats per minute, tunnel vision and audio exclusion can follow, further exacerbating matters.
Reaction is key to survival. At a Marietta, Georgia, CRASE training late last year, police officers shared a diagram showing the classrooms of Norris Hall, where most of the deaths occurred during the 2007 Virginia Tech shooting
According to the graphic: The first classroom the shooter reached, Room 206, went into traditional lockdown. When it was all over, 10 of the 14 people inside that classroom were killed, while two were wounded. In Room 211, which also went into lockdown when the shots were heard, 12 of 18 were killed and six were wounded.
In the adjacent Rooms 204 and 207, students and faculty barricaded or tried to barricade the doors, while in Room 204, 10 students jumped out of the window. In Room 207, five of 13 were killed and six were wounded, while in 204, two of 19 were killed and three were wounded.
In Room 205, where a dozen students and faculty got on the ground and barricaded the door with their feet, preventing the shooter's entry, everyone survived.
"Doing nothing doesn't work. Doing something does, and these are the statistics to prove it," Sgt. Todd Hood, a SWAT commander, told the crowd in Johns Creek. "Hide and hope? That's like a wing and a prayer. ... That's very problematic. That's not what we teach."
While you're awaiting police, look for weapons and be prepared to improvise, he said. A fire extinguisher can be a fine weapon, and there's power in numbers if a group bumrushed a shooter.
"Pens can do damage," he said. "If you poke their eyes out, can they see? Probably not."
Myrick agrees with the approach, and concurs that planning is important.
"I don't think anybody knows that they will do when it comes to that particular point," he said. "If you're not trained to defend yourself, you won't defend yourself when the fog of war sets in."
The CRASE teachings, he pointed out, are more about planning than training. Why not take it a step further? Why not tack some balloons to the wall and let kids see how many they can pop with a math book? Why not let them have a go at swinging a chair, just for muscle-memory's sake?
Myrick worries that because there's usually no warning when a gunman kicks in a door, "you've got to have something right at your fingertips that you can do. There's no time to do anything."
He'd also like to see well-trained, armed security personnel in schools. The United States spent billions on nuclear submarines and never fired a shot, he said. It was a mere deterrent. Why wouldn't we take the same approach to schools, which house "our most prized possessions as parents"?
Chances low, but on rise
To be clear, your chances of being hurt or killed in a mass shooting remain slim. Statistics from 2000 to 2013
show that you have a slightly better chance of being struck by lightning than dying in a random mass shooting.
But the largely 50-and-over audience attending the CRASE training in Johns Creek is not being reactionary when they say the world feels like it's becoming more dangerous.
From 2000 to 2007, the United States saw an average of 7.4 active shooter events per year. The number is 16.4 for 2008 to 2013.
Robert Adair, 60, an architect from Peachtree Corners, just south of Johns Creek, said he wasn't much of a gun guy until someone he knew was shot and kidnapped. While he agrees with the "avoid, deny, defend" philosophy, his primary purpose for attending the CRASE training was to understand his responsibility as a gun owner in an active shooter situation.
"I have a carry permit, and basically I want to find out what I should do or should not do if I find myself at a scene before the police arrive," he said.
Hood addressed his query during the two-hour session: "Law enforcement officers seldom tell you to grab a gun, but do it here. If they're bringing violence to you, they don't matter."
But once police arrive, Hood said, holster the weapon, get your hands up and promptly let police know that you're armed.