(CNN) Two parishioners were killed when a gunman opened fire in a Texas church Sunday .
Within seconds, members of the church security team shot and killed the suspect.
A video livestreamed from the church, seen by CNN, appears to show the shooting from start to finish.
Farmer told CNN the shooting happened during communion.
Church security took down the gunmanSeveral officials lauded the actions of the armed church security volunteers who took down the suspect in seconds.
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