Foundations of Criminal Law

From the study guide

Course Outline

  1. Actus Reus
  2. Mens Rea
  3. Concurrence
  4. Causation
  5. Crime Classification
  6. Inchoate Crimes
  7. Strict Liability Crimes
  8. Defenses Types
  9. Justification Defenses
  10. Excuse Defenses
  11. Insanity Defense
  12. Self-Defense

1. Actus Reus

Key Concepts & Definitions

  • Actus Reus: The physical act or unlawful omission that constitutes a crime; the external component of criminal liability.
  • Voluntary Act: An act performed consciously and intentionally; involuntary movements (e.g., reflexes, spasms) do not satisfy actus reus.
  • Omission: A failure to act when there is a legal duty to do so, which can result in criminal liability if certain conditions are met.
  • Causation: The link between the defendant's act and the resulting harm; must be established for liability.
  • Result Crime: A crime where the actus reus results in a specific outcome (e.g., homicide).
  • State of Being: Sometimes, mere possession or being in a certain state can constitute actus reus (e.g., possession of illegal drugs).

Essential Points

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Practice quiz preview

1. What is actus reus?

2. What does 'Mens Rea' specifically refer to in criminal law?

3. What is the role of the principle of concurrence in criminal law?

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Flashcard preview

Actus Reus — definition?

The physical act or unlawful omission constituting a crime.

Mens Rea — role?

The mental state or intent behind committing a crime.

Concurrence — function?

Ensures mens rea and actus reus occur together.

Actus Reus — definition?

The physical act or omission constituting a crime.

Voluntary Act — requirement?

Must be a conscious, intentional act.

Omission — criminal if?

Failure to act when legally obligated.

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Frequently asked questions

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The practice quiz has 10 multiple-choice questions, each with an explanation. Use it to check what you know and find your gaps.

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