‘James Warnock, 56, was sentenced today at the Central Criminal Court to life imprisonment with a minimum term of 25 years for the murder of seventeen-year-old Yiannoulla Yianni in August 1982. He was sentenced to 20 years’ imprisonment for the rape of Yiannoulla. Warnock was convicted on 14 July 2016. The crimes took place in Yiannoulla’s home, where she lived with her family, in Hampstead, north London.’
Crown prosecution Service, 18th July 2016
Source: www.cps.gov.uk