What rules are used
Mc naughton rules 1843
Mc naughton rules
Defect of reason
Disease of mind
Not know nature or quality of act or know it but not that it is wrong
Defect of reason
R V Clark
Powers of reasoning are impaired
Disease of mind
R V kemp - physical or mental
Disease of mind can be intermittent
R V Sullivan
Disease of mind must be internal
R V Hennessy
What is mental disorder in insanity
BRATTY
any mental disorder that manifests it’s self in violence and is pron to reoccur is disease of mind
Nature and quality of act
R V windle - or knew what he’s doing but not that it’s wrong
D does not know what he’s doing