Chilling footage shows student's killer ex-boyfriend stalking her into the gym before he was arrested covered in blood after attacking her. The final moments before Molly McLaren was murdered by her ex-boyfriend Joshua Stimpson were captured in chilling CCTV footage. Stimpson, now-26, fatally stabbed the university student in the Chatham Dockside Outlet car park last summer and today (February 6) was found guilty of her murder.