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After the horrific shooting at a Texas church that left 26 people dead and 20 injured, there are growing calls for increased security at houses of worship.

Chuck Chadwick, president of the National Organization of Church Security and Safety Management, provides churches with security services personnel through a church volunteer “Gatekeepers Program," contract security services, consultations and assessments.

On "The Daily Briefing," Chadwick said his first thought when he heard about Sunday's massacre was, "I sure wish they had had a 'Gatekeeper' there."

"I sure wish they had somebody who was trained and able to at least mitigate the threat as much as possible," Chadwick said. "It's nearly impossible to prevent these things, but at least you can have somebody there, which is what we call an initial responder."

He explained that by the time first responders such as police and emergency medical services can respond to a situation it's often too late.

"Most of these things are over in just a matter of two or three minutes, so we want to put somebody there," Chadwick said.

He said they have run the "Gatekeepers Program" for more than ten years, and they have more than 350 plainclothes personal protection officers in churches all around Texas, and they've never had a deadly force incident.

"What can I credit that to? Maybe I can credit that to their observation techniques, maybe I can credit that to their proactive stance, or maybe I can credit that to the discernment that God has given our guys," Chadwick said.

Watch more above.

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