The article itself does say: "the resulting 'geoprofile' was a good match for an obvious candidate: Robin Gunningham, whom the Mail on Sunday named in 2008 after an investigation into Banksy's identity... 'What I thought I would do is pull out the 10 most likely suspects, evaluate all of them and not name any ... But it rapidly became apparent that there is only one serious suspect, and everyone knows who it is. If you Google Banksy and Gunningham you get something like 43,500 hits.'"