Six seconds from the moment a gunman opened fire inside the West Freeway Church of Christ in north Texas, to when a member of the congregation pulled out his own gun and killed the shooter.

Investigators said the shooter, wearing a dark hooded sweatshirt, was among the 240 congregants at West Freeway Church of Christ in White Settlement, a city 10 miles west of Fort Worth.

Keith Thomas Kinnunen, 43, brought a shotgun into the West Freeway Church of Christ in the Fort Worth-area town of White Settlement during Sunday services and opened fire, killing church members ...

A gunman opened fire at West Freeway Church of Christ in White Settlement during last weekend's Sunday service, killing two.