william luther pierce. >> reporter: william luther pierce, dead for nearly two decades, is still considered among the nation's most dangerous white supremacists. >> many people call us racists, hate mongers. >> it's about hatred. it's about racism. it's about exclusion. >> reporter: one of the first and most famous leaders of the nation's modern white power movement, william pierce was the founder of a far-reaching extremist group, the national alliance. >> what worries me a lot is the unchecked tide of nonwhite immigration into this country, both legal and illegal. that is what is really breeding disaster. >> reporter: especially active in the '80s and '90s, the national alliance attempted to bring white power propaganda to the masses. >> this whole movement was about becoming an enemy of the nation, to unseat the federal government, create civil disturbance, and for many people, it's imagined as a way to provoke race war. >> basically, to create a white-only homeland. >> reporter: kelvin pierce is in west virginia, trying to find the old compound that today is still owned by his father's