general defences Flashcards

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1
Q

what is the definition of intoxication?

A

The defendant needs to be so intoxicated that they were incapable of forming the mens rea of a criminal offence

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2
Q

what are the 4 types of intoxicants?

A

1) alcohol, 2) prescription drugs, 3) illegal drugs, 4), solvents

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3
Q

what needs to happen for a substance to be classed as an intoxicant?

A

the substance must have the expected side effects to be classed as an intoxicant

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4
Q

what are the 2 requirements for intoxication

A

is the offence a specific or basic intent offence, was the intoxication voluntary or involuntary.

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5
Q

what is the definition of voluntary intoxication

A

the defendant takes something knowing or which he should have known was an intoxicant.

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6
Q

what was found in the case of R v Allen

A

the defendant doesn’t need to know the strength of the intoxicant

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7
Q

what was the developing law of voluntary intoxication and specific intent offences and what was the test?

A

If D was so drunk that the was incapable of forming the intent required then he couldn’t be convicted ofa crime. DPP v Beard

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8
Q

what is the modern day test for voluntary intoxication and specific intent offences.

A

R v Sheehan and Moore

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9
Q

what did Wiggerly LJ say about R v Lipman

A

D couldn’t be convicted of murder because specific intent could not be proven, he could still be convicted of manslaughter.

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10
Q

what decision was made from A-G for Northern Ireland v Gallagher (1963)

A

If a man, whilst sane and sober forms an intention to kill and makes preparation he cannot rely on this self-induced drunkenness as a defence to a charge of murder nor reducing it to murder

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11
Q

what are the 3 requirements of non insane automatism?

A

1) defendants actions must be involuntary, 2) the actions must be cause by external factors, 3) automatism cannot be self induced

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12
Q

what are the 3 requirements of insane automatism

A

1) a defect of reason ( R v Clarke), 2) a disease of mind( R v Kemp), 3) not knowing the nature and quality of the act( R v Johnson).

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13
Q

what rule was found in M’Naghten

A

every man is to be resumed to be sane, and to possess a sufficient degree of reason to be responsible for his crimes, until the contrary be proved to their satisfaction”

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14
Q

what type of defence is self defence

A

complete defence ( be found not guilty as they have a lawful excuse)

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15
Q

what are the 2 types of duress

A

duress of threats and duress of circumstances.

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16
Q

what is the definition of duress of circumstances

A

the circumstance as such that the defendant are such that the defendant has to commit an offence. R v Martin

17
Q

what defines duress by threats

A

A-G v Whelan

18
Q

what case did the 7 requirements arise from

A

R v Hasan

19
Q

what are the 7 requirements of duress

A
  1. duress wont be a defence for murder
  2. defence must be founded on a threat to cause death or serious injury
    3.threat must be directed at an immediate family
  3. the test is to b e considered objectively
  4. only available when the criminal conduct has been directly caused by the threats
    6.defendant must have had no other choice but to carry out the offence
  5. defendant cannot rely on duress if he has voluntarily laid himself open
20
Q

what case does not allow for a duress and murder

A

R v Howe

21
Q

whom is classed as immediate

A

the defendant
immediate family
someone close to the victim

22
Q

what case determines that characteristics can be taken into consideration

A

R v Bowen

23
Q

what are 2 cases for duress of circumstances

A

R v Willer and R v Conway

24
Q

what would happen if the defence of Automatism is applied.

A

Automatism is a general defence which results in removing criminal liability from a defendant

25
Q

what case defines automatism.

A

Bratty v A-G Northern Ireland

26
Q

what are the 3 requirements form automatism

A
  1. involuntary- complete loss of control
  2. By an external factor
  3. Not be self induced
27
Q

why was the defence in Broome v Perkins failed

A

the defence of automatism wasn’t available as the D swerved out the way

28
Q

why did the the defence of automatism in A-G No2 1992 fail

A

driving without awareness was not capable of founding a defence of automatism.

29
Q

what rule was found In A-G No 2 1992

A

a total destruction of voluntar y control on the defendant’s part.

30
Q

in R v Kemp the D’s arteriosclerosis wasnt aloud for defence of automatism.

A

as it wasn’t an internal factor/ insanity

31
Q

What was the external factor that was allowed in R v T

A

the serious assault could satisfy the requirement for an “external factor”

32
Q

what type of diabetes can be allowed for the defence of Automatism.

A

Hyperglycaemic state

33
Q

what came out of R v Bailey

A

For a basic intent offence, self induced automatism would not provide a defence if there is evidence that the defendant had been reckless in failing to eat after taking the insulin

34
Q

what section can self defence be found

A

s76 CJA 2008

35
Q

what are the 2 requirements for self defence

A
  1. was the force used necessary
    2.if the use of force was necessary, was it proportionate or reasonable to the harm/risk.
36
Q

What is the test for “necessary”

A

subjective test

37
Q

what was held in R v O’Grady

A

the defence was not available as the defendant was voluntarily intoxicated

38
Q
A