§ Lord Tebbitasked Her Majesty's Government:
How many people have died since 1963 in the United Kingdom at the hands of previously convicted killers. [HL1454]
§ The Parliamentary Under-Secretary of State, Home Office (Lord Williams of Mostyn)During the period 1963 to date, a total of 93 persons in England and Wales are known to have been killed by persons who had been previously convicted of homicide in England and Wales.
As with previous answers, the figure excludes persons who have been killed by those who may have been convicted outside England and Wales (for whom there is incomplete information) and persons who have been killed by those not previously convicted of homicide by reason of their mental state.
Figures for Scotland and Northern Ireland are not readily available.