Case Facts
Original rules on Insanity - M'Naughten (1843)

Case Outcome
M'Naughten (1843)

Case Facts
A defect of Reason -
Clarke (1972)

Case Outcome
Clarke 1972

Case Facts
A defect of reason must be caused by a disease of the mind -
Kemp (1957)

Case Outcome
Kemp (1957)

Case Facts
The Continuing Danger Theory - Bratty v A-G for Northern Ireland (1963)

Case Outcome
Bratty v A-G for Northern Ireland (1963)

Case Facts
The Continuing Danger Theory -
Sullivan 1984

Case Outcome
Sullivan 1984

Case Facts
The External Cause Theory -
Quick 1973

Case Outcome
Quick 1973

Case Facts
The Internal Cause Theory -
Hennessy (1989)

Case Outcome
Hennessy (1989)

Case Facts
Sleepwalking -
Burgess (1991)

Case Outcome
Burgess (1991)

Case Facts
The Nature and Quality of the Act -
Codere (1916)

Case Facts
Knowledge that the act was wrong -
Windle (1952)

Case Outcome
Windle (1952)

Case Facts
Knowledge that the act was wrong -
Johnson 2007

Case Outcome
Johnson 2007