drewkitty

The Shooter:

"a young man wearing a short-sleeved tan shirt and black ammunition vest" . . . "carrying an automatic weapon" . . . "reloaded while looking at me" . . . "about 19 years old" . . .
"dressed "almost like a Boy Scout" . . . "tried three more times to force his way in and then began firing through the door" . . . "He was very silent" . . . "a .22-caliber handgun and a 9 mm handgun were recovered at the scene" . . . "police found the front doors of Norris Hall chained shut" . . . "two pistols and several clips of ammunition"

The Response:

"And then all the cops were trying to get into Norris Hall and they used like a bomb or something to open one of the doors." . . . "The police came up. They all had bulletproof vests on, machine guns. They were telling us to put our hands above our head and if we didn't cooperate and put our hands above our heads they would shoot. I guess they were afraid, like us, like the shooter was going to be among one of us. So we were told to keep our hands above our head and run out of the building. At one point, somebody didn't have their hands above their head and one of the cops stated, you know, put your hands above your head, like we're going to have to shoot." . . . "There must have been at least over 20 or 30 cop cars and ambulances. Like, every street was lined with them. I did not see like openings at all, like, it was really scary. All the cops had, like, vests on, and some had guns in their hands and everything. I felt like I was in a war zone" . . . Roil's professor ushered about 20 students into a nearby office, where they listened to gunshots outside. About 20 minutes later there was a knock on the door. "It was the SWAT team," Roil said. "They had weapons pointed straight in our face telling us, 'Get your hands up! Everyone get your hands up!'"

Advice:

If you hear gunfire, unless you are a trained responder, go the other way! Quick!
If under handgun fire, run away and dodge left and right in a broken-field style. If you are shot, keep going!
The only time you should attempt to go hand-to-hand with a shooter is if the only alternative is your certain death. Pick up any object that can be used as a weapon. Scream. Attack ruthlessly and without compunction. Have the idea that you will stop only when you see smeared bits of brain where the shooter's skull used to be. Ignore injuries, your only hope of survival is to murder before you are murdered.
If under rifle fire, use concealment (that which blocks line of sight) and cover (which stops bullets) to break contact and run away. Broken-field dodging against a trained rifleman is suicide, but if he's shooting at you anyway . . .
Keep your hands in sight at all times when nervous cops are present.
If cops are operating tactically, obey police commands instantly and without argument. The alternative could be sudden death. Literally.
In an 'active shooter' scenario, lock yourself in someplace and stay away from doors and windows. Use the telephone ONLY to report the location of intruders.
First aid for gunshot wounds: apply firm direct pressure to limb wounds. If still bleeding, press harder. Only if trained, use a tourniquet to control life-threatening limb bleeding that does not respond to direct pressure (<30% of gunshot wounds, <10% of all wounds). Abdominal wounds: cover the exposed gut with sterile (preferred) or clean cloth. Do not push spilled organs back into the body. Point out the person to paramedics for immediate triage and transport. Chest wounds: beware pneumothorax (air in the chest cavity) and its more lethal cousin, hemothorax (blood in the chest cavity). Cover both entry and exit wound with something that blocks air, such as plastic. Hold firm pressure. Monitor very closely. If plastic makes breathing more difficult, remove it briefly and replace. If a person is for-sure-dead no pulse no breathing, cover their face with a piece of cloth.
Fire / EMS: Reminder to first responders and EMTs: both CPR and C-spine are NOT TO BE DONE in this type of incident. This is a grossly unsafe scene and attempting either will get you killed! Apply O2 if available, remember your local triage protocol and realize that professional responders will not enter the scene until police have sounded the all clear. If your local SWAT team has tactical EMS, consider yourself lucky. If you're responding to the call, you will be expected to stage in a nominally safe area. Note how I put that. Lock the doors to your rig and keep your engine running.
Security: the most life-saving thing you can do is to keep civilians away from the shooter. The next most life-saving thing you can do is provide intelligence to responders. Use your radio to report the present location and path of intruders. Dispatchers: track the progress of the intruder through the building / campus / complex with times written on a facility or campus map. By narrowing the number of buildings that need to be cleared (slowly and painfully) you may save many, many lives.
Civilian armed / off duty police: you are in grave danger of sudden death, not only from the shooter but from responding law enforcement! If you have a uniform or ID, display it prominently. If not, keep your weapon concealed and engage only if you get a good shot at the shooter. In a confused situation, shout your name and agency / status every few seconds. "John Doe! Smith PD . . . State Corrections . . . Concealed Weapons Permit!" Be ready to comply with police commands instantly. An order from uniformed police to disarm is absolute.
Police: follow your agency protocols. Typically the patrol units set up a perimeter and then your shooters go into it. Wear your armor and your raid jackets! Never, ever bring a pistol to a gunfight. Establish IC and a CP ASAP.
Media: if you operate under a tactical info-sharing model with your local agency, you know what to do. If you don't, take up a good vantage and stay clear of the gunfire!