With mass shootings in theaters, schools, workplaces, and churches, experts who assess threats have come up with excellent tips and advice on what to do during these types of situations. It is a serious topic, but the odds that people will experience mass shootings are pretty low.

But according to experts, mass shootings have become so frequent and sometimes too deadly, especially in the United States, that people need to think in advance how they respond to this type of situation if the worst comes to shove. In general, experts believe that the best and most straightforward guideline to follow in this case is to run, hide, and fight.

Specific locations and situations matter

There’s never going to be a general rule on this, according to experts who study and supervise active shooter training. Based on department memos, active shooters are individuals with guns engaged in activities that may result …