Price was jailed for her part in the IRA London bombing campaign of 1973 . She was part of a unit that placed four car bombs in London on 8 March 1973 . The 1973 Old Bailey bombing and that of the Whitehall army recruitment centre saw 200 injured . A warning was issued an hour before the blast . One man died of a heart attack , although an autopsy found his heart attack had begun before the Old Bailey blast . The sisters were apprehended along with Hugh Feeney , Gerry Kelly , and six others , as they were boarding a flight to Ireland . They were tried and convicted at the Great Hall in Winchester Castle on 14 November after two days of deliberation by the jury . Marian Price was sentenced to two life terms
1973 Old Bailey bombing
1973 Old Bailey bombing
Marian Price