Lady McAlpine, 78, whose brother Alistair had been a Tory donor and adviser to Margaret Thatcher, revealed that she used her sixth sense to thwart the spy s attempts at trickery.
Olga Kolobova, a member of Russia s GRU military intelligence service, began spying as early as 2006 when she assumed the identity of Maria Adela Kuhfeldt Rivera and was never caught