The Southern Poverty Law Center has tracked more than 900 hate groups across the United States. Since 2017 the organization also has witnessed a 55 percent spike in the number of hate groups.

Attacks by white supremacists have claimed dozens of lives within the last 2 years. Racial tension, violence, and political intolerance have divided the nation, sparking some soul-searching and raising difficult questions over what can be done to stop the spread of hate. 

Correspondent Dan Williams speaks with a reformed white supremacist about his life after leaving a hate group and his quest to help others escape extremism.