Mass murders involve a weapon of choice. The murderer creates a sick mental image, and works it out in his mind (they are typically men). He visualizes it. If guns are not available, he will use bombs, knives, poison, automobiles or sabotage. He might even use an airplane. Lately, they have been mentally challenged young men. What then can we do? 1. Identify the risky person and keep him away from guns and ammo, or means to accomplish a mass murder. 2. Provide effective social work, and do at least one home visit. Advise parents and/or roommates what to do to remove the means of harm. Monitor frequently until cleared by the treating physician. 3. Empower professional counselors to flag people deemed risky based on clinical observation, history or psychological testing. 4. Require a threat assessment report on all patients on certain psychotropic medications. Report to go to ATF and be attached to fingerprint. 5. Access to guns and ammo to be monitored for patients on the ATF treatment list. 6. Consider hardening the soft targets by a defense-in-depth: an armed guard on campus patrolling at the parking lot. Locked doors after 30 minutes from start of class. 7. Expedite concealed carry permits for school administrators. Require them to attend gun safety training every 24 months if permit approved. 8. Restrict high capacity magazines (in excess of ~15 rounds) to police and military.
I don't think gun control would prevent mass murders. Simply because if a person is that sick, to even consider "mass murders" they would find another way besides "guns" to commit the crime......even with gun control, if the person were serious in killing, what would stop them from stealing a gun from somebody who IS responsible and took every measure to ensure that it was locked up properly, hidden properly, etc. A criminal (or serial killer) mind does not operate like a normal one does. Ever heard the expression "where there is a will there is a way"? I wish, like you, that gun control (or better gun control) could prevent this, but sadly, I do not think it would even matter.