Extremist activity has surged in the U.S., experts say, and groups such as the Oath Keepers and Proud Boys often seek out service members and veterans.
Racism is so deep in the US military, that 21-year-old white supremacist and soldier Killian Ryan was arrested and discharged from the Army for lying on a form, but his threats to kill Black people were seemingly overlooked, reports Malik Miah.
A former soldier who has been arrested and kicked out of the Army said he enlisted to become more skilled at killing Black people. Killian Ryan, a former