A former Pakistan Army Major, who has joined the ranks of Lashker-e-Taiba, LeT, is emerging as one of the masterminds of the Mumbai carnage and was in direct touch with arrested US terror suspect David Headley. The former army man identified as Sajid Mir has turned out to be Headley's handler in Pakistan and was tasking the American to learn praying like Jews so that he could conduct a recce of Jewish Centre Nariman House in Mumbai and the premises of a newspaper in Denmark. Official sources said that Mir has been arrested in Pakistan but this could not be independently verified. The 48-year-old American-born Headley was arrested by the FBI sleuths at airport in Chicago in October this year for allegedly plotting to carryout terror strikes in India and Denmark.<br/>