How to stop a massacre: Surveillance video reveals simple, low-cost solution that works everywhere

The answer is revealed in the stunning short video shown below. This remarkable solution:

• Requires no police.
• Costs the taxpayers no money.
• Requires no up-front paperwork.
• Protects innocent lives.
• Is deployed in as little as FIVE seconds.
• Works everywhere.
• Deters violent crime.
• Makes bad guys flee immediately.
• Is easy to learn.
• Functions at the local level.
• Does not require control or intervention by the United Nations or any government entity.