Since 2017, the FBI has warned US Congress that the rise of white nationalism and the violence of extremist militia groups is a dangerous domestic terrorism threat.
Two websites, one taken offline, the other still active, raise hard questions about how prepared Americans are to deal with free speech about white supremacy, in both monuments and domain names.
At this time, researchers cannot prove a direct relationship. But social learning theory shows that people learn from one another, via observation, imitation and modeling.