A Benin-based professor of medicine and orthopaedic surgeon, Christopher Ogiehor was on Wednesday night assassinated. Ogiehor, 80, was until his gruesome murder, the medical director of City Clinic, at No. 34, Ewah Road, Benin, Edo State. Igiehor, who was murdered in his Number 13, Egbor Anene Street,  GRA, residence, was the father-in-law to a governorship…