My guess is he's moved across to some private security firm - the sort they use for unattributable jobs like this.

These stories were based on unattributable comments, the spokesman said.

They know they will be heard, on an unattributable basis.

The covert operations conducted during the war did not have to be unattributable.

Anyway, your thoughts would be welcome, even if unattributable.

Peter is known to history primarily through unattributable legend.

This was the first of the scientifically unattributable events to take place at Lourdes.

The use of quantified yet unattributable outcomes can discredit a program.

Espionage and crime, after all, are meant to be unattributable, even undiscovered, acts.

Scores of current and former ministers have been on the wrong end of an unattributable kicking in the press.

You can talk off the record or on an unattributable basis, and all respectable writers will honour that curious code.

This time, the official tally described 1,792 simply as "unattributable write-ins."

It was Alan's death that remained unattributable to anyone, and as much of a mystery to us as to the rest.

From somewhere came the echo of haunting strains unattributable to any musical instrument we knew.

This is despite much more pessimistic unattributable comments by structural engineers shortly after the collapse.

Any news story announcing a crackdown is suspect, usually the product of an unattributable briefing by some politician.

These taped interviews, most on the record, others unattributable, amply endorsed the original premise.

Another fire in the refinery at Grays Harbor would also be unattributable.

And everything unattributable, done with absolute secrecy.

There are many unattributable quotations to be solicited.

Every day, politicians tell journalists things that are "unattributable", on "lobby terms", "for guidance only" or "off the record".

"The new approach is consistently successful, it's almost completely unattributable and it's extremely low-cost," he observed.

I hesitated when I saw this, the sensation of unattributable but intense unease striking me again.

Its meetings are held under Chatham House rules, which means everything that is said in them is unattributable.

All our work is unattributable.