Houses of Worship Struggle To Balance Security and Belief

It's hard to tell who has a gun at Fellowship of Wildwood church.

The men stand silently at the edge of the crowd, as worshippers shrug off their heavy winter coats and sip from paper coffee cups before the Sunday service.

Nicknamed the "sheepdog ministry," the group of about a dozen volunteers provide armed protection for congregants at the Baptist church west of St. Louis.