Diminished responsibility Flashcards
What type of defence is diminished responsibility?
Partial and specific to murder
What section of what Act defines diminished responsibility?
S2 of the Homicide Act (as amended by Coroners and Justice Act 2009)
What does S2 of the Homicide Act (as amended by Coroners and Justice Act 2009) say?
A person will not be convicted of murder if: D was suffering from an abnormality of mental functioning arising from a recognised medical condition as to substantially impair D’s ability to understand the nature of his conduct, or form a rational judgement or exercise self control and provides an explanation for D’s acts/omissions in being party to the killing
Who was the burden of proof when trying to prove diminished responsibility and what is the standard of proof?
D has the burden of proving the defence on the balance of probabilities
What is the leading case for abnormality of mental functioning?
Byrne
What legal principle came out of the case of Byrne?
AoMF is a state of mind so different to that of an ordinary human being that the reasonable man would term it abnormal
What must the abnormality of mental functioning arise from?
A recognised medical condition
Give 3 examples of a physical recognised medical condition
Diabetes, epilepsy, sleep walking
Give 3 examples of a mental recognised medical condition
Depression, schizophrenia, OCD
Which case demonstrates paranoid personality disorder?
Martin
Which case demonstrates battered women’s syndrome?
Ahluwalia
Which case demonstrates depression?
Seers
Which case demonstrates post natal depression?
Boots
Which case demonstrates extreme stress?
Brown
Which case demonstrates schizophrenia?
Edgington
What does Di Duca say about the immediate effects of alcohol and drugs?
That they do not amount to a RMC
What is the legal principle from the case of Wood?
ADS/DDS is a RMC
What is the legal principle from the case of Tandy?
If persistent drug/alcohol abuse leads to brain damage, this is a RMC
Give 3 examples of symptoms of ADS
Desire to drink
Difficulty controlling when and how much you drink
Neglecting other activities
Abnormality of mental functioning must impair D’s ability to do one of three things, what are they?
1) Understand the nature of his conduct
2) Form rational judgement
3) Exercise self control
In what case was ‘substantially’ explained in?
Golds
What is ‘substantially’ explained as in the case of Golds?
As whether any impairment made a real difference to D’s conduct
What does S2(1)(b) of Homicide Act 1957 (as amended by CJA ‘09) state?
The abnormality of mental functioning provides an explanation for D’s conduct if it causes or is a significant contributory factor in causing D to carry out that conduct
Which case demonstrates S2(1)(b) of Homicide Act 1957 (as amended by CJA ‘09)?
Dietschmann
What legal principle came out of Dietschmann?
That when there was more than one factor causing D to kill, the abnormality has to be a significant contributory factor to D’s conduct