sentences:  However, in March 1968, Simpson died in office.Peter Brodie, Assistant Commissioner "C" (Crime), was widely tipped to succeed him, but Home Secretary James Callaghan saw the opportunity to impose government will on the force and offered the job to Mark.Mark, realising that an outsider would not be accepted at this time, suggested the appointment of Deputy Commissioner Sir John Waldron, with himself succeeding Waldron as Deputy Commissioner.