Kasim Lewis pleaded guilty to murdering Catherine Burke at the Old Bailey on 15th July.
Mr Lewis was already serving a 29-year sentence for killing barmaid Iuliana Tudos in a brutal attack carried out only weeks after he killed Ms Burke.
HHJ Richard Marks QC told Mr Lewis that he “subjected [the] victim, a vulnerable middle-aged lady living alone, to an unimaginably dreadful ordeal”.
This matter has been covered extensively in the press, please see the BBC and the Evening Standard.