Botha said he had taken statements from neighbours and witnesses.
The goalkeeper said he welcomed the investigation from the Malaysian Anti-Corruption Commission, which has taken statements from eight people at the club.
Scotland Yard detectives have already taken statements from a number of witnesses who were at Bagram early in 2002, including one who was interviewed at Guantánamo.
Mr. Castaneda said in a recent interview that he had studied thousands of pages of case files and taken statements from more than 100 people in Juarez.
West said it "would have been ideal" for him to have attended the prison and taken statements from Moodie, who Castan said was not interviewed until three years later, after Maxine Bennell conducted her own investigation.
However, having taken statements from all the officials at White Hart Lane, the governing body determined that the assistant referee closest to the incident, Jake Collin, had seen "the coming together of the two players, albeit not in its entirety".
