Mr Bob Quick was too quick
From the BBC:
Twelve men have been arrested in the north west of England after Britain’s most senior counter-terrorism police officer sparked a security alert.
Assistant Commissioner Bob Quick said he “deeply regretted” revealing a secret document to photographers when he arrived for a briefing at No 10.
Mr Quick was apparently in such a rush to get out of his car, that he forgot to hide the ’secret’ documents out of the photographers’ view. What the heck do they have in their heads? You know, where their minds would normally be. One can’t help but wonder…