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Criminal Law

Boston University School of Law

Mens rea

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Punishment And Blame For Culpable Indifference, Kenneth Simons Jan 2015

Punishment And Blame For Culpable Indifference, Kenneth Simons

Faculty Scholarship

In criminal law, the mental state of the defendant is a crucial determinant of the grade of crime that the defendant has committed and of whether the conduct is criminal at all. Under the widely accepted modern hierarchy of mental states, an actor is most culpable for causing harm purposely, and progressively less culpable for doing so knowingly, recklessly, or negligently. Notably, this hierarchy emphasizes cognitive rather than conative mental states. But this emphasis, I argue, is often unjustified. When we punish and blame for wrongful acts, we should look beyond the cognitive dimensions of the actor’s culpability, and should …


The Language Of Mens Rea, Kenneth Simons, Matthew R. Ginther, Francis X. Shen, Richard J. Bonnie Jan 2014

The Language Of Mens Rea, Kenneth Simons, Matthew R. Ginther, Francis X. Shen, Richard J. Bonnie

Faculty Scholarship

This article answers two key questions. First: Do jurors understand and apply the criminal mental state categories the way that the widely influential Model Penal Code (MPC) assumes? Second: If not, what can be done about it?


Ignorance And Mistake Of Criminal Law, Noncriminal Law, And Fact, Kenneth Simons Apr 2012

Ignorance And Mistake Of Criminal Law, Noncriminal Law, And Fact, Kenneth Simons

Faculty Scholarship

After clarifying the distinction between mistakes of fact and mistakes of law, this article explores in detail an important distinction within the category of mistake of law, between mistake about the criminal law itself and mistake about noncriminal law norms that the criminal law makes relevant - for example, about the civil law of property (in a theft prosecution) or of divorce (in a bigamy prosecution). The Model Penal Code seems to endorse the view that mistakes about noncriminal law norms should presumptively be treated as exculpatory in the same way as analogous mistakes about facts. Case law on the …


Is Strict Criminal Liability In The Grading Of Offenses Consistent With Retributive Desert?, Kenneth Simons Jan 2012

Is Strict Criminal Liability In The Grading Of Offenses Consistent With Retributive Desert?, Kenneth Simons

Faculty Scholarship

Notwithstanding the demands of retributive desert, strict criminal liability is sometimes defensible when the strict liability pertains, not to whether conduct is to be criminalized at all, but to the seriousness of the actor’s crime. Suppose an actor commits an intentional assault or rape, and accidentally brings about a death. Punishing the actor more seriously because the death resulted is sometimes justifiable, even absent proof of his independent culpability as to the death. But what punishment is proportionate for such an actor? Should he be punished as harshly as an intentional or knowing killer?


"No Provincial Or Transient Notion": The Need For A Mistake Of Age Defense In Child Rape Prosecutions, Jarrod F. Reich Mar 2004

"No Provincial Or Transient Notion": The Need For A Mistake Of Age Defense In Child Rape Prosecutions, Jarrod F. Reich

Faculty Scholarship

Suppose a state legislature enacted a law making any theft a crime punishable by twenty years' imprisonment. Within this law was a provision precluding an accused from introducing evidence that he unwittingly took property to which he was not entitled. Suppose further that after this law was enacted, an elderly woman hung her black coat in a restaurant's lobby and, upon leaving, mistakenly retrieved another's black coat.1 Under the hypothetical statute, her mistake could neither hinder the prosecution's case against her nor be asserted by her as a defense. By inadvertently taking another's coat from a crowded restaurant, the woman …


Review Of H.L.A. Hart, The Morality Of The Criminal Law, Oxford University Press (1965), Stanley Z. Fisher Dec 1966

Review Of H.L.A. Hart, The Morality Of The Criminal Law, Oxford University Press (1965), Stanley Z. Fisher

Faculty Scholarship

This slim volume contains the text of two lectures given by Professor Hart at the Hebrew University of Jerusalem in 1964. The first lecture, "Changing Conceptions of Responsibility," expresses concern at the turn in which the "liberal" criminal law reform movement in England has taken in connection with the law of criminal responsibility. Professor Hart takes issue with the stand of a leading reformer, Lady Wootton, who advocates abolition of the mens rea prerequisite to penal liability. In her view, the mental state of a harm-doer is relevant not to determining his penal liability (conviction), but only to the decision …