Adultery

Fundamentals of Criminal Law by Adam J. McKee

Adultery, defined as voluntary sexual intercourse between a married person and someone other than their spouse, has historically been viewed as a serious moral and legal offense. In many societies, adultery laws were designed to uphold the sanctity of marriage, preserve family honor, and protect inheritance rights. Adultery was seen not just as a private matter between spouses but as a threat to social stability. Over time, however, societal attitudes toward marriage and sexual behavior have evolved, and many jurisdictions have decriminalized adultery, shifting it from a criminal offense to a moral issue primarily addressed in divorce courts. Nevertheless, adultery continues to carry legal significance in some states and military contexts.

Historical Context

Adultery laws have deep roots in religious and cultural traditions, particularly within Judeo-Christian and Islamic societies. In early English common law, which influenced American legal systems, adultery was viewed as a serious transgression, with the state stepping in to enforce moral behavior and preserve family integrity. Colonial America, particularly under the influence of Puritan values, treated adultery harshly, with punishments ranging from public shaming to death in some extreme cases.

In the early United States, adultery was frequently criminalized as part of broader efforts to regulate sexual conduct and enforce traditional gender roles. Adultery was often linked to concerns about illegitimacy, inheritance, and property rights, particularly in societies where patrilineal inheritance was the norm. Men were concerned about paternity, and laws reflected this by focusing on protecting family honor and the husband’s status.

Over time, adultery laws became more gender-neutral, but their enforcement still varied based on local customs and religious influences. For much of American history, adultery was not only a crime but also grounds for divorce, often leading to financial consequences in terms of alimony and property distribution.

Adultery as a Crime

Although most states have decriminalized adultery, some states still retain laws that criminalize the act. For instance, New York Penal Law § 255.17 continues to classify adultery as a misdemeanor. Similarly, Michigan and Minnesota still technically consider adultery a felony, although these laws are rarely enforced. The continued existence of such statutes highlights the tension between traditional moral values and modern understandings of privacy and personal autonomy.

In practice, however, even in states where adultery remains illegal, prosecutions are exceedingly rare. When adultery laws are enforced, it is usually in conjunction with other criminal matters, such as bigamy, fraud, or cases involving public officials where moral conduct might be relevant to their positions.

Adultery also remains criminalized in specific legal contexts, such as the Uniform Code of Military Justice (UCMJ), which governs the conduct of members of the U.S. Armed Forces. Under the UCMJ, adultery can be prosecuted as a crime because it is seen as behavior unbecoming of a service member and potentially disruptive to unit cohesion and morale. In such cases, adultery is often considered under broader charges like conduct unbecoming an officer or prejudicial to good order and discipline.

Legal Challenges and Privacy Concerns

The criminalization of adultery has faced significant legal challenges in recent decades, particularly as courts have increasingly recognized the right to privacy in matters of personal relationships. In Lawrence v. Texas (2003), the U.S. Supreme Court struck down sodomy laws, ruling that the government could not intrude on private, consensual sexual conduct between adults. Although Lawrence specifically addressed same-sex relationships, its reasoning has had broader implications for the criminalization of consensual sexual activity, including adultery.

Adultery laws, like those targeting fornication or sodomy, are increasingly seen as outdated relics of a time when governments sought to enforce moral behavior. Critics argue that criminalizing adultery violates the right to privacy and autonomy in intimate relationships. Furthermore, the selective enforcement of adultery laws—typically invoked in divorce proceedings or used to shame individuals in public scandals—raises concerns about fairness and equal treatment under the law.

Despite these concerns, adultery laws have survived in some jurisdictions, often due to the symbolic value they hold for traditionalist communities or as a deterrent against marital infidelity.

Adultery in Divorce and Family Law

While criminal prosecutions for adultery are rare, the act still plays a significant role in divorce proceedings, particularly in states that allow for fault-based divorces. In fault-based divorce cases, one spouse can cite the other’s adultery as grounds for dissolving the marriage. This can have significant financial and legal consequences, particularly in terms of alimony, property distribution, and child custody.

In states like Virginia and North Carolina, adultery can lead to a denial of alimony for the adulterous spouse, as the law treats the breach of marital fidelity as a serious factor in determining financial support. Even in no-fault divorce states, where the specific grounds for divorce may not be considered, adultery can still affect the outcome of child custody decisions, particularly if the adulterous relationship is seen as detrimental to the child’s well-being.

Although most modern divorce laws have shifted toward no-fault frameworks, where neither spouse needs to prove wrongdoing to obtain a divorce, adultery remains a significant consideration in many family law cases. In some jurisdictions, proving adultery can result in more favorable financial settlements or custody arrangements for the innocent spouse.

International and Cultural Perspectives

Adultery laws vary significantly across the world. In many countries, particularly those governed by religious laws such as Sharia, adultery remains a serious criminal offense, often punishable by harsh penalties, including imprisonment, flogging, or even death by stoning in extreme cases. For example, in countries like Saudi Arabia, Iran, and Afghanistan, adultery can carry severe consequences, particularly for women, reflecting strict moral codes and interpretations of religious texts.

In contrast, many Western countries, including the majority of European nations, no longer treat adultery as a criminal matter, though it may still factor into civil cases, particularly in divorce. The decriminalization of adultery in these regions reflects broader social changes, including the growing recognition of personal autonomy and the declining role of the state in regulating private sexual behavior.

Critical Analysis

The continued existence of adultery laws raises important questions about the role of the state in regulating personal morality. Proponents of adultery laws argue that such laws uphold the institution of marriage, promote family stability, and protect children from the negative effects of infidelity. They also contend that adultery, as a violation of the marital contract, warrants legal consequences.

On the other hand, critics of adultery laws argue that they are outdated, unnecessary, and infringe on individual privacy. In a pluralistic society where personal autonomy and the right to privacy are increasingly valued, many argue that the government has no legitimate interest in regulating consensual sexual behavior between adults. Furthermore, adultery laws are often unevenly enforced, sometimes used to target certain individuals or public figures in ways that perpetuate public shaming rather than protect the social order.

The question of whether adultery should remain a criminal offense or solely a matter for civil law continues to provoke debate. Most modern legal systems have moved toward decriminalizing adultery, focusing instead on the private consequences of marital infidelity, such as divorce and property division.

Conclusion

Adultery, once a widely prosecuted crime, has largely shifted from the criminal realm to the civil courts, where it remains relevant in matters of divorce and family law. The few remaining adultery statutes are rarely enforced but continue to exist as vestiges of a time when the state played a more active role in regulating private moral behavior. As societal attitudes toward marriage, sexuality, and privacy continue to evolve, the future of adultery laws remains uncertain, but the trend toward decriminalization suggests a growing recognition of the importance of personal autonomy and the limits of legal enforcement in matters of private morality.


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Modification History

File Created:  07/17/2018

Last Modified:  10/23/2024

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This work is licensed under an Open Educational Resource-Quality Master Source (OER-QMS) License.

 

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