Criminal law: Defenses Flashcards
What are the three common law insanity tests?
D has mental disease or defect:
- M’Naughten: D either did not know act was wrong OR did not understand nature of his act
- Irresistible Impulse: D unable to control his actions OR unable to conform his conduct to law
- MPC: D lacked substantial capacity to appreciate criminality of his conduct OR conform his conduct to law
What are the three common law insanity tests?
D has mental disease or defect:
- M’Naughten: D either did not know act was wrong OR did not understand nature of his act
- Irresistible Impulse: D unable to control his actions OR unable to conform his conduct to law
- MPC: D lacked substantial capacity to appreciate criminality of his conduct OR conform his conduct to law
What is the NY insanity test?
D lacked substantial capacity to understand nature of his act OR appreciate wrongfulness of his conduct
Affirmative defense, so D must prove by preponderance of evidence
What is involuntary intoxication?
Defense to any crime; must be completely involuntary
Treated as insanity, so apply tests
What is voluntary intoxication?
CL: Defense to specific intent crimes if negates D forming that specific intent
NY: Defense to intent and knowledge crimes if prevents D forming required intent
What is common law infancy?
What is NY infancy?
What is non deadly force in self-defense?
D may use if (a) reasonably necessary (b) to protect against an imminent use (c) of unlawful force against himself
What is deadly force in self-defence?
D may use if facing imminent threat of death or serious physical injury
What is the aggressor rule to deadly self-defense?
D may not use deadly force if initial aggressor unless:
(a) withdraws and communicates withdrawal OR
(b) victim suddenly escalates non-deadly to deadly
NY: no (b)
Can you use force to prevent a crime?
Non-deadly: if necessary to prevent a crime
Deadly: only to prevent felony risking human life
NY: deadly force can be used to prevent rape, robbery, arson, kidnapping, burglary; no retreat required
Can you use force to prevent a crime?
Non-deadly: if necessary to prevent a crime
Deadly: only to prevent felony risking human life
NY: deadly force can be used to prevent rape, robbery, arson, kidnapping, burglary; no retreat required
What is the NY insanity test?
D lacked substantial capacity to understand nature of his act OR appreciate wrongfulness of his conduct
Affirmative defense, so D must prove by preponderance of evidence
What is involuntary intoxication?
Defense to any crime; must be completely involuntary
Treated as insanity, so apply tests
What is voluntary intoxication?
CL: Defense to specific intent crimes if negates D forming that specific intent
NY: Defense to intent and knowledge crimes if prevents D forming required intent