Simon Cooper MA, LLB is a Senior Lecturer at the University of Salford where he teaches Criminal Law and Evidence. Previously, he was a serving police officer with the Greater Manchester Police from 1976 to 1983, the majority of this time being spent on road traffic duties. He has published widely in numerous legal journals and is the co-author of Elliot & Wood's Cases and Material on Criminal Law . With Michael Orme, he has written Road Traffic Law , part of the Blackstone's Practical Policing Series . Michael Orme BA retired from Greater Manchester Police in November 2004 having completed 30 years police service. He specialized in Road Traffic Policing in his career, having spent over 25… years on Road Policing Units both on inner city and territorial divisions.