Charleston. Tree of Life. Christchurch. All these deadly attacks have some grim details in common — their death tolls were massive... white-power ideology fueled their architects... and they only seemed to be the work of loners, according to historian Kathleen Belew. Join Will and Siva as Belew traces the unsettling history of anti-government militias since the 1980s. Often misunderstood in this story, she says, is the deadliest act of domestic terrorism on record in America: the Oklahoma City bombing.