He is expected to be interviewed under oath about the affair on Monday.
However, the colonel volunteered to be interviewed under truth serum and hypnosis and passed both tests.
Two students were subsequently interviewed under caution by police in connection with the issue.
American officials estimate that only 1,000, who have relatives here or other high-priority claims, will be interviewed under the new policy.
He was also interviewed in the 1993 documentary One Nation Under God.
At least he was only interviewed as a witness, not under caution.
In May and June all eight officers under investigation were interviewed under caution.
Bill was scheduled to be interviewed under oath on Saturday, January 17, 1998.
His employers consider homosexuality a 'security threat', and so he is interviewed here under a pseudonym.
On 25 November 2011, Terry was interviewed under caution by the police.