Rosemary Pauline West (née Letts; born 29 November 1953) is an English serial killer who collaborated with her husband, Fred West, in the torture and murder of ten young women between 1973 and 1987; she also murdered her eight-year-old stepdaughter Charmaine in 1971. The majority of these murders took place at the West residence in Gloucester, England. West is currently an inmate at HM Prison New Hall, Flockton, West Yorkshire, after being convicted in 1995 of ten murders and sentenced to ten life terms with a whole life order.
https://en.wikipedia.org/wiki/Rose_West