The FBI has arrested a suspect in the attempted bombing of the MLK parade in Spokane, Washington: a home-grown American neo-Nazi.

Officials have just identified the suspect arrested in connection with the attempted Martin Luther King Jr. Day bombing in Spokane, Wash., as 36-year-old Kevin William Harpham.

Harpham was a member of the neo-Nazi National Alliance in late 2004. It was not known when Harpham joined or if he was still a member. The National Alliance was one of the most prominent hate groups in America for decades, but has fallen on hard times since the 2002 death of its founder, William Pierce. Pierce is the author of The Turner Diaries, a race war novel often referred to as the Bible of the radical right.

Our research indicates that Harpham was apparently in the military in 1996-97, when records indicate he was part of the 1st Battalion, 37th Field Artillery Regiment at Fort Lewis, Wash. The SPLC reported in 2006 that Fort Lewis was one of several military installations with a concentration of secret extremist members.