Worse still, they are accused of invoking official secrecy to conceal the deception.

But the notion of official secrecy and government privilege is deeply entrenched.

Look, Dealey, try to understand that we're all in this together; the time for "official secrecy" is long past.

As many as 300 are believed to have died, though official secrecy continues to obscure the incident.

Presidential elections were held in late 1993 amid tight security and official secrecy.

Moreover, some holes inevitably opened in the veil of official secrecy.

Bonn's security services have never been so shrouded in official secrecy as Britain's.

The full story of what happened that night is still obscured by a veil of official secrecy, but the basic facts are clear.

The precise steps in the decision-making process at Justice remain hidden behind a veil of official secrecy.