Godfrey Alexander Oldfield ( 11 February 1919 – 4 July 1985 ) , known as George Oldfield , was a British police detective who finished his career as Assistant Chief Constable of West Yorkshire Police . He is known for leading infamous inquiries by the force into major crimes , including the M62 coach bombing and the ' Yorkshire Ripper ' series of murders . The latter inquiry put great strain on his health
M62 coach bombing
M62 coach bombing
George Oldfield (police officer)