**SNIP** Frank Montoya, Jr., a recently retired FBI special agent, told Insider that the Capitiol siege indicates far-right extremism is a "fundamental" threat to national security, even more so than foreign terror groups. Indeed, many of these extremists are white, male US citizens, some with backgrounds in the military, and are less likely to be profiled as a terror threat than those of Middle Eastern descent in the post-9/11 era. "The threat we're facing right now is not only real but deeply embedded - and cult-like - in our society," Montoya said. "Look at how many military and law enforcement...