In an interview with ABC News:

“I would not classify myself as a radical, but by western definition I would be classified as a radical. I just consider myself to be a practicing Muslim.”Lee Ferran, “American Wannabe ISIS Fighter Donald Morgan Gets 20 Years in Prison,” ABC News, May 13, 2015, http://abcnews.go.com/International/american-wannabe-isis-fighter-donald-morgan-20-years/story?id=31009777.