http://www.guardian.co.uk/uk/2010/dec/23/missing-joanna-yeates-parents-appeal
http://news.sky.com/skynews/Home/UK-News/Police-Check-CCTV-Footage-In-Hunt-For-Missing-Architect-Joanna-Yeates-Who-Went-Missing-In-Bristol/Article/201012415865987?lpos=UK_News_Top_Stories_Header_1&lid=ARTICLE_15865987_Police_Check_CCTV_Footage_In_Hunt_For_Missing_Architect_Joanna_Yeates_Who_Went_Missing_In_Bristol