Doug Coe, the Family's leader, obscures the group's role in the National Prayer Breakfast, which has become a hub for backroom global influence-peddling.

Journalist Jeff Sharlet details his days living at Ivanwald, a men's residence where he discovers the Family's allegiance to Jesus -- and to power.

Some American politicians use their clout to spread the Family's views to foreign leaders, including some of history's most notorious rulers.

Supporters and skeptics discuss C Street -- a secrecy-shrouded residence for Washington politicians -- and its sway in high-profile sex scandals.

Rooted in local men's groups, the Family's commingling of theology, ideology and worldly power extends its reach all the way to the U.S. presidency.