Ronnie Mackay is Professor of Criminal Policy and Mental Health at Leicester De Montfort Law School, De Montfort University. He has written and researched on mentally abnormal offenders for many years. He is the author of Mental Condition Defences in the Criminal Law; Fitness to Plead – International and Comparative Perspectives; and The Insanity Defence - International and Comparative Perspectives both jointly edited with Warren Brookbanks and all published by Oxford University Press together with numerous other scholarly publications.
Ronnie was a member of the Parole Board of England and Wales from 1995 to 2001. He has acted as a consultant to the Law Commission for England and Wales for whom he has conducted empirical studies on unfitness to plead, the insanity defence, diminished responsibility, provocation and infanticide.