When interviewed by John Johnson in 1988, John Stewart expressed regret for writing the Black Belt article on Dux's alleged Kumite victory. He described himself as naive for believing Dux, saying that after the story was published he received information that "raised questions about Dux's military career". Jim Coleman, then editor of Black Belt, added that Dux's story was "based on false premises" and there was no evidence of the Kumite. Kenneth Wilson from the Ministry of Sports in The Bahamas disputed the existence of the Kumite, saying it was impossible a martial arts tournament of that scale could have been kept a secret. According to Johnson, an invoice for the organization that allegedly staged the Kumite listed Dux as its only point of contact, and the base of the trophy he claims to have won was bought by him at a local trophy store. Dux told Johnson to speak to a man named Richard Robinson, whom he said he had met at the Kumite. Robinson initially confirmed Dux's story, saying