the defence of insanity Flashcards

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1
Q

which case are the rules of insanity based on

A

M’NAGHTEN

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2
Q

what have to be proved where d wants to rely on the defence

A

three elements on the balance of probabilities

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3
Q

what 3 elements have to be proved for the defence

A
  • at time of committing act d had a defect of reason
  • defect of reason was as a result of disease of the mind
  • defect of reason caused d not to know nature and quality of act/ not to know he was doing wrong
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4
Q

where d is found to be insane, what is the special verdict?

A

‘not guilty by reason of insanity’

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5
Q

what does a defect of reason mean and case

A

d was unable to reason at the time he acted. temporary absent mindedness/confusion is not enough- CLARKE

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6
Q

what examples of mental disease did the H/L give in Sullivan

A

schizophrenia, paranoia and manic depression

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7
Q

other than a mental disease what counts

A

a physical disease that affects the mind

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8
Q

examples of physical diseases that affect the mind and cases:

A

brain tumours
diabetes and sleep disorders in certain cases
KEMP and SULLIVAN

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9
Q

principle in sullivan

A

H/L upheld conviction and held relevant defence was insanity, epilepsy was a disease of the mind

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10
Q

is it a disease of the mind where ds defect of reason was the result of an internal factor and cases

A

yes

HENNESSY and BURGESS

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11
Q

principle in hennessy

A

C/A held his failure to take insulin meant it was the diabetes which caused his defect of reason and this was an internal factor
the correct defence was insanity

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12
Q

principle in burgess

A

C/A upheld special verdict because the cause of his defect of reason was an internal factor: a sleep disorder

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13
Q

how is the defence of insanity limited in its availability

A

in that d must not know the nature and quality of his act, or not know he was doing wrong

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14
Q

what does d not knowing nature and quality of act mean

A

d was temporarily unconscious at the time he acted/that d did not know what he was doing

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15
Q

cases to support d not knowing nature and quality of his act

A

KEMP, SULLIVAN, HENNESSY AND BURGESS

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16
Q

would d satisfy not knowing nature and quality if he is delusional

A

yes

17
Q

when can d still use defence of insanity where he knows nature and quality of his act

A

if he does not know that what he did was legally wrong

18
Q

when can d not use the defence of insanity and case

A

knows nature and quality of act and that it is legally wrong- even if suffering from mental illness- WINDLE