Some officers are training off the clock to prepare for an active shooter situation in the wake of the San Bernardino massacre that left 14 dead and 21 wounded.
One of those training drills on Monday was a mock shooting in a restaurant with an active shooter.
"It's as realistic as it can get," said Eloy Way, a tactical training expert,
Officer Scott Burkett with the Los Angeles Police Department is one of those officers training while off duty and paying for the sessions himself.
"It's like anything can happen at anytime," Burkett said. "As officers, and not just officers, firefighters, military, the training that we get at work is definitely not enough for us to do our jobs."
And, that training is with hundreds of hours of training on the job.
"These skills, they diminish if you don't practice them," Burkett said.
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Burkett said last week's mass shooting in San Bernardino should be a wake-up call, not just to law enforcers, but to the entire community.
"We do earthquake preparations. Those are pretty much standard. Fire drills are standard. Pretty soon, active shooter needs to be a standard at every place, every business, every school," Burkett said.
Way also emphasized preparation in the event of an active shooter.
"Having no plan is the worse thing you can do. I think it's opening a lot of eyes to people that, hey we have to do something."