First there was the Great Train Robbery. Now, Britain seems to have experienced a Great Plane Robbery. Last week Scotland Yard detectives were scurrying after leads in a daring heist of foreign currencies worth some $3.7 milliona robbery second in size, in Britain, only to the famed $7 million Royal Mail coach grab of 1963. The latest theft was carried out in broad daylight at Heathrow Airport, and it was acutely embarrassing to a U.S.-owned security and air-freight firm, Purolator Services Ltd., which frequently ships large quantities of currency.
At 11 a.m. on Saturday, June 26, two menone dressed in...