I imagine the use of unexplained UK slang in the headline will befuddle a few here.
Might turn out to be a good lead now.
Question everyone who has travelled to Pakistan recently.
That would be alot and most would just be visiting relatives etc. but every 10th interrogation might lead to a cell and the breaking up of the Pakistan-based organizations.
Of course, Bin Laden and Zarwahari are in Pakistan as well.