The Bibiani Police has indicated that it is leaving no stone unturned to ensure that Mercy Nyamekye, also called Nana Yaa, the 40-year-old woman who allegedly stabbed a 28-year-old New Patriotic Party (NPP) women’s organiser, Amina Moro popularly called Kande, to death at Bibiani in the Western Region, is given tight security when going to court.