The identity of the secretive street artist has been outed by a Sunday newspaper and, shock horror, he's middle class.
2012, Hugh Bicheno, “Spies of the Caribbean”, in Literary Review, section 401:
The bulk of Castro's Secrets argues […] that Castro was aware that Lee Harvey Oswald was going to try to kill Kennedy in Dallas and (shock horror) did not warn the US authorities, ‘the most despicable decision during his nearly five decades in power’.
