MI5 brings in lie detectors to check on informants

COUNTER Terror police are doing lie detector tests on informants, amid fears about the quality of intelligence. Scotland Yard wants to weed out misinformation from sources who are often of questionable integrity.

However, the results of polygraphs are not currently accepted by British courts. Britain’s most senior counter-terrorism officer Mark Rowley, has overseen the scheme after four atrocities in the UK in four months that killed 36 people. Khuram Butt, who led the London Bridge attack, was once under 24-hour surveillance by police before a decision was taken to deploy finite resources elsewhere. KILLER Khuram Butt