The Department of Homeland Security fumbled a domestic terrorism report in 2009 that warned about right-wing militias targeting the U.S. Army for recruits.
The man accused of burning three black churches in Louisiana had an affinity for metal music, a cultural scene white supremacists have infiltrated in the past.
In 2009, the Department of Homeland Security released a report highlighting the threat of far-right groups recruiting veterans. Ten years later, it's still relevant.
In recent months, YouTube has emerged as something of a flourishing option for white supremacist and neo-Nazi videos—spreading ideas cited by the alleged New Zealand mosque gunman.