20 Criminal law doctrines: Bangladesh perspective
There are many different criminal law doctrines that apply in different legal systems and jurisdictions. Here are some examples:
- Actus reus: This is the physical act or omission that constitutes a crime.
- Mens rea: This refers to the mental state of the defendant at the time of the crime, such as intent, knowledge, or recklessness.
- Strict liability: This doctrine holds a defendant strictly liable for a crime, regardless of their mental state or intent.
- Vicarious liability: This doctrine holds a person or entity liable for the actions of another person, even if they did not personally commit the crime.
- Transfer of intent: This doctrine allows a defendant’s criminal intent to be transferred from the intended victim to an unintended victim.
- Doctrine of merger: This doctrine prevents a defendant from being charged with both a greater and lesser included offense based on the same conduct.
- Doctrine of double jeopardy: This doctrine prohibits a defendant from being tried or punished twice for the same offense.
- Doctrine of impossibility: This doctrine allows a defendant to be acquitted if it was physically or legally impossible for them to commit the crime.
- Doctrine of self-defense: This doctrine allows a defendant to use reasonable force to defend themselves or others from harm.
- Doctrine of necessity: This doctrine allows a defendant to be excused from criminal liability if their actions were necessary to prevent greater harm.
- Doctrine of entrapment: This doctrine allows a defendant to be acquitted if they were induced by law enforcement to commit a crime that they would not have otherwise committed.
- Doctrine of duress: This doctrine allows a defendant to be excused from criminal liability if they were under the threat of imminent harm or coercion when they committed the crime.
- Doctrine of defense of property: This doctrine allows a defendant to use reasonable force to protect their property from theft or damage.
- Doctrine of defense of others: This doctrine allows a defendant to use reasonable force to protect others from harm.
- Doctrine of defense of habitation: This doctrine allows a homeowner to use reasonable force to defend their home from intruders.
- Doctrine of diminished capacity: This doctrine allows a defendant to be found guilty of a lesser offense if their mental capacity was impaired at the time of the crime.
- Doctrine of mistake of fact: This doctrine allows a defendant to be excused from criminal liability if they made an honest mistake of fact that negates an element of the crime.
- Doctrine of ignorance of the law: This doctrine generally holds that ignorance of the law is not a defense to a criminal charge.
- Doctrine of volenti non fit injuria: This doctrine holds that a person who voluntarily exposes themselves to a risk cannot complain if they are injured as a result.
- Doctrine of inchoate offenses: This doctrine criminalizes aiding or abetting, or counseling or procuring the commission of, or being an accessory before or after the fact to, or attempting or conspiring to commit any offense is an offense even if the crime is not committed or completed.
18 Constitutional doctrines: Bangladesh perspective

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