Evans Kamau is accused of killing his wife Esther Nyaga on August 8, 2021. [Fidelis Kabunyi, Standard] Evans Kamau, the 37-year-old man accused of killing his estranged wife by stabbing her 17 times, has pleaded not guilty to murder. Kamau was arraigned virtually before Kiambu Law Courts judge Lilian Mutendea.…