Following the gruesome murder of a renowned Ibadan based traditional medicine expert, Alh. Fatai Yusuf, popularly known as 'Oko Oloyun,' on Thursday evening, the Oyo State Police Command, Eleyele, Ibadan, has said that the deceased was allegedly ambushed shortly after passing through five different Police Stop and Search teams along Igboora-Iseyin road by yet to be identified assailants who fired at the moving vehicles on the road from the thick forest.