beatrice tollman , founder of a luxury hotel chain , made her most recent donation of £ 20,000 to the tories earlier this month to boost the party 's general election campaign coffers .
but last night it emerged that she has previously been charged with conspiracy to evade millions of dollars in tax before the charges were dismissed by a judge .
however on the same day in 2008 her husband stanley tollman pleaded guilty to tax evasion .