Dennis Mahon (born ca. 1951) is the former Ku Klux Klan Imperial Wizard. Dennis Mahon has a twin brother, Daniel Mahon, who is also involved in the White Nationalist movement. Both grew-up on a farm in Illinois.
In the 1970s the brothers joined David Duke's Ku Klux Klan organization. In 1988 he broke with that group and started the Oklahoma White Knights of the Ku Klux Klan. In September 1991 he traveled to Germany on a nine-day twenty-five city tour meeting German nationalists and recuriting for the Klan. In 1992 Mahon quit the Klan and joined Tom Metzger's White Aryan Resistance.
Oklahoma City bombing
In 1997 Dennis Mahon was accused by Timothy McVeigh’s attorney Stephen Jones of being a possible suspect in the Oklahoma City bombing. Jones later wrote a book, Others Unknown: Timothy McVeigh and the Oklahoma City Bombing Conspiracy, implicating a broader plot in the bombing. Mahon is said to have ran a paramilitary training center in Elohim City, an anti-government militia community in Oklahoma where it was claimed McVeigh visited. Mahon denied any involvement in the bombing.
Mail bomb attack
In 2012 Dennis Mahon was convicted of a mail bomb attack which occured February 21, 2004 at the Arizona Office of Diversity and Dialogue in Phoenix injuring the agency’s director, a Black man, named Donald Logan. His twin brother, Daniel, was acquitted of all charges.