title: Murder of Ann Ogilby
context: Within weeks of the killing, the RUC had arrested ten women and one man in connection with the murder; this group contained Douglas' entire "Heavy Squad".[6] Most of the women were unemployed and at least three had male relatives imprisoned for paramilitary offences.[53] On 6 February 1975 at the Belfast City Commission, teenagers Henrietta Cowan and Christine Smith pleaded guilty to murder. They were now aged 18 and 17 respectively. Characterised as having been "without feeling or remorse", they were convicted of carrying out the murder and sentenced to be detained at Armagh Women's Prison for life at the pleasure of the Secretary of State for Northern Ireland.[6][48] Smith was not the only member of her family to be involved in loyalist paramilitary activity. Her elder brother, prominent South Belfast UDA member Francis "Hatchet" Smith (28), was shot dead in Rodney Parade, off Donegall Road, by the IRA in January 1973 after he, as part of a UDA unit, gunned down Peter Watterson, a 15-year-old Catholic boy, in a drive-by sectarian shooting at the Falls Road/Donegall Road junction.[6][54] A roofer by trade who was married with one child[55] he was (despite his wife having been Catholic),[56] the local UDA commander in the Village area where he lived.[54]
question: Who was found guilty for the murder of Ann Ogilby in the "Romper Room murder"?
answers: Henrietta Cowan and Christine Smith