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Attempt by Omission

Michael T. Cahill

Rutgers Law School

January 26, 2009

Iowa Law Review, Vol. 94, pp. 1207-1252, 2009
Brooklyn Law School, Legal Studies Paper No. 128

In addition to requiring subjective culpability, criminal offenses typically involve two objective features: action and harm. In the paradigmatic case, both features are present, but criminal law also allows for liability where either of them is absent. Rules governing omission liability enable punishment where the offender performs no act, while rules defining inchoate crimes (such as attempt) impose liability where the offender causes no harm. In different ways, these two sets of rules establish the minimum threshold of objective conduct-to use the classic term, the minimum actus reus-required for criminal liability.

The absolute floor for a criminal actus reus, then, would be defined by the intersection of these two sets of rules. The prospect of liability for inchoate omissions, involving no act and no harm, exists at the frontier of the state's authority to criminalize conduct and, whether allowed or rejected, effectively determines the outer boundaries of that authority. Accordingly, inchoate-omission liability raises fundamental issues about the nature and proper scope of criminal law.

This article considers those issues, asking whether criminal punishment for harmless inaction is legally possible, empirically observable, or normatively desirable and, perhaps surprisingly, answering all three of these questions in the affirmative. However unlikely or dubious the legal math may seem, it turns out that zero action plus zero harm can, does, and should sometimes add up to a crime.

Number of Pages in PDF File: 46

Keywords: act requirement, actus reus, attempt, criminal law, endangerment, harmless wrongdoing, inchoate liability, omission

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Date posted: January 26, 2009 ; Last revised: July 27, 2009

Suggested Citation

Cahill, Michael T., Attempt by Omission (January 26, 2009). Iowa Law Review, Vol. 94, pp. 1207-1252, 2009; Brooklyn Law School, Legal Studies Paper No. 128. Available at SSRN: https://ssrn.com/abstract=1333205

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Michael T. Cahill (Contact Author)
Rutgers Law School ( email )
United States
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