Timothy Westervelt had a $250,000 warrant after prosecutors charged him with multiple counts of child sex abuse. He had been an active member of the Yellowstone Militia.

All the latest breaking news on U.S. military. Browse Newsweek archives of photos, videos and articles on U.S. military.

Why armed militia groups are surging across the nation. Today signifies 22 years since the Oklahoma City bombing, an attack carried out by Timothy McVeigh that left 168 dead.