On June 1, 2005, Colson appeared in the national news commenting on the revelation that W. Mark Felt was Deep Throat.

He was the chief prosecutor in the trial of W. Mark Felt and Edward S. Miller in 1980.

The FBI Pyramid: From the Inside is a 1979 non-fiction book by W. Mark Felt.

To the Editor: W. Mark Felt was wise to keep his identity a secret.

But at 5:29 p.m., the newspaper confirmed on its Web site that W. Mark Felt was Deep Throat.

Deep Throat (now known to be W. Mark Felt)

May 31 - W. Mark Felt reveals himself to be the Watergate scandal whistleblower called "Deep Throat."

A prominent client was W. Mark Felt, former acting associate director of the agency, and its No. 2 man.

Once Bob Woodward revealed on May 31, 2005, that W. Mark Felt was Deep Throat, this speculation ended.

W. Mark Felt ("Deep Throat") retires from the Federal Bureau of Investigation.

On June 1, 2005, Colson appeared in the national news commenting on the revelation that W. Mark Felt was Deep Throat.

He was the chief prosecutor in the trial of W. Mark Felt and Edward S. Miller in 1980.

The FBI Pyramid: From the Inside is a 1979 non-fiction book by W. Mark Felt.

To the Editor: W. Mark Felt was wise to keep his identity a secret.

But at 5:29 p.m., the newspaper confirmed on its Web site that W. Mark Felt was Deep Throat.

Deep Throat (now known to be W. Mark Felt)

May 31 - W. Mark Felt reveals himself to be the Watergate scandal whistleblower called "Deep Throat."

A prominent client was W. Mark Felt, former acting associate director of the agency, and its No. 2 man.

Once Bob Woodward revealed on May 31, 2005, that W. Mark Felt was Deep Throat, this speculation ended.

W. Mark Felt ("Deep Throat") retires from the Federal Bureau of Investigation.