
Keeler v Superior Court is a case that addresses the question of whether an unborn but viable fetus can be considered a human being within the context of murder statutes. The case revolves around Mr. Keeler, who assaulted his ex-wife, resulting in the death of her unborn fetus. The court examined the common law understanding of the term human being in homicide cases and concluded that an unborn fetus does not fall under the legal definition of a human being. This case highlights the importance of interpreting statutes to promote justice and ensuring that individuals have notice of what acts constitute criminal behavior. The Keeler v Superior Court case also touches on the limitations of judicial law-making and the power of the legislative branch to define crimes.
| Characteristics | Values |
|---|---|
| Date | February 23, 1969 |
| Parties | Petitioner: Robert Keeler |
| Respondent: Superior Court | |
| Issue | Whether an unborn but viable fetus is a "human being" within the meaning of the California statute defining murder |
| Holding | The California Supreme Court held that an unborn fetus does not fall under the definition of a "human being" |
| Rationale | The court reviewed the history of the law's enactment and concluded that the writers intended for "human beings" to indicate a person born alive |
| Applicable Law | California Penal Code § 187 |
| Disposition | The court granted the petitioner's writ of prohibition |
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What You'll Learn
- Keeler v. Superior Court addressed the limitations of criminal law
- The case discussed the interpretation of statutes by courts
- It ruled that an unborn fetus is not a human being under California law
- The ruling was based on the historical context and legislative history of the statute
- The court's decision considered the power to define crimes in California

Keeler v. Superior Court addressed the limitations of criminal law
The petitioner, Robert Keeler, encountered his ex-wife, Teresa Keeler, who was pregnant with another man's child. Keeler assaulted his ex-wife by pushing his knee into her abdomen, intending to terminate the pregnancy. The fetus was delivered stillborn, with a skull fracture cited as the cause of death. Keeler was charged with the murder of the unborn fetus under California Penal Code § 187, which defines murder as "the unlawful killing of a human being with malice aforethought."
Keeler sought a writ of prohibition to prevent his prosecution for murder, arguing that an unborn fetus does not meet the legal definition of a "human being." The California Supreme Court agreed with Keeler's argument and granted the writ of prohibition. The court reviewed the historical context and legislative history of the statute, concluding that the writers of the law intended for "human beings" to refer only to those who have been born alive. This interpretation aligned with the common-law understanding of the term "human being" in the context of homicide.
The court's decision highlighted the limitations of criminal law in addressing certain acts, such as the killing of a viable fetus. By adhering to the statutory definition of "human being," the court acknowledged that the law, as currently written, did not encompass the killing of an unborn child. This case underscored the importance of legislative action in defining crimes and the need for clear and specific language in criminal statutes. It also emphasized the role of the courts in interpreting the law, ensuring that individuals have notice of what acts constitute criminal behavior, and promoting justice through the interpretation of statutes.
In conclusion, Keeler v. Superior Court addressed the limitations of criminal law by interpreting the definition of a "human being" within the context of homicide and murder. The case highlighted the need for legislative action to address gaps in the law and the role of the courts in interpreting and applying existing statutes. By clarifying the definition of "human being," the court provided guidance for similar cases and emphasized the importance of due process and fair warning in criminal law.
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The case discussed the interpretation of statutes by courts
Keeler v. Superior Court is a case that discussed the interpretation of statutes by courts, specifically in relation to the definition of a "human being" within the context of homicide and California's murder statute. The case centred around Robert Keeler, who assaulted his ex-wife, Teresa Keeler, by pushing his knee into her abdomen and striking her, which resulted in the death of her unborn fetus.
The court's analysis examined the common-law understanding of the term "human being" in relation to homicide. Historically, at common law, a fetus was not considered a human being unless it had been "born alive". This "born alive" rule was a well-established principle. However, the court also acknowledged that concepts such as what constitutes a "corpse" have evolved over time due to advances in medicine, including new life-saving techniques.
The court concluded that an unborn but viable fetus does not fall under the definition of a "human being" within the meaning of California's murder statute, Penal Code § 187. The court found that the Legislature, when enacting the statute, did not intend to include unborn fetuses within the definition of a "human being" for murder charges. The court emphasised that at common law, a fetus had to be born alive to be considered a human being in homicide cases.
The court's decision also addressed the idea that retroactive lawmaking should not be imposed and that individuals must be given notice of what acts constitute criminal behaviour, providing them with the opportunity to avoid such behaviour. The court discussed the importance of due process and fair warning, stating that the defendant had adequate notice that their actions could constitute murder under the existing statute.
The case highlights the role of courts in interpreting statutes and determining the legislative intent behind them. It also underscores the dynamic nature of legal interpretations, as the court considered both historical context and evolving medical advancements in its decision-making process.
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It ruled that an unborn fetus is not a human being under California law
Keeler v. Superior Court is a case that examined whether an unborn but viable fetus could be considered a "human being" under California's murder statute, Penal Code § 187. The case revolved around Robert Keeler, who assaulted his ex-wife, Teresa Keeler, resulting in the death of her unborn fetus.
The California Supreme Court ruled that an unborn fetus is not a "human being" within the definitions of California's murder statute. This decision was based on the interpretation of the statute's legislative history and the common-law understanding of the term "human being." The court concluded that the writers of the law intended for "human beings" to refer to individuals who had been born alive, thereby excluding "fetus" from the definition.
The court's analysis considered the historical context and legislative intent behind the statute. At common law, a fetus had to be born alive to be considered a human being in the context of homicide. The court found no indication that the legislature intended to deviate from this established understanding. This interpretation aligned with American case law, which stated that killing an unborn child was not homicide.
The ruling in Keeler v. Superior Court highlighted the importance of legislative clarity in defining crimes and the role of the legislative branch in updating legal definitions based on scientific advancements. The court emphasized that it was not within their purview to expand the definition of "human being" and that any changes to the statute should be made by the legislative branch.
The case also addressed broader legal principles, such as the prohibition of retroactive lawmaking and the importance of providing notice to individuals regarding what acts constitute criminal behavior. The court's decision reinforced the notion that judicial interpretation should not create new offenses or deny defendants fair warning and due process.
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The ruling was based on the historical context and legislative history of the statute
In Keeler v. Superior Court, the California Supreme Court ruled that an unborn but viable fetus does not constitute a "human being" within the meaning of California's murder statute, Penal Code § 187. The court's ruling was based on a thorough examination of the historical context and legislative history of the statute.
The court reviewed the common law understanding of the term "human being" in the context of homicide. Historically, at common law, a fetus was not considered a human being unless it had been "born alive." This "born alive" rule was a well-established principle, and the court found no indication that the legislature intended to deviate from this understanding when enacting the statute.
The court also considered the legislative history of the statute. Penal Code § 187, introduced in 1872, was directly adopted from the Crimes and Punishments Act of 1850. As early as 1797, it was established that a person had to be "born alive" to support a murder indictment. The court found that the legislature intended to adopt this common law definition of "human being" when defining murder in the Penal Code.
Furthermore, the court addressed the argument that advances in medicine and science should broaden the definition of "human being" to include viable fetuses. The court emphasized that it is the role of the legislature, not the courts, to change the definition of "human being" if deemed necessary due to medical advancements. The court's role is to interpret the law as it is written, and any changes to the definition would need to be made prospectively, respecting the constitutional prohibition against ex post facto laws.
The ruling in Keeler v. Superior Court highlights the importance of interpreting statutes within their historical and legislative context. By considering the common law understanding of "human being" and the legislative intent behind the murder statute, the court ensured that its ruling adhered to the principles of legality, due process, and fair warning regarding criminal behavior.
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The court's decision considered the power to define crimes in California
In Keeler v Superior Court, the California Supreme Court ruled that an unborn but viable fetus does not constitute a "human being" under California's murder statute, Penal Code § 187. This decision considered the power to define crimes in California, specifically regarding the interpretation of "human being" and the exclusion of fetuses from this definition.
The court's analysis examined the common-law understanding of the term "human being" in the context of homicide. Historically, at common law, a fetus was not considered a human being unless it had been "born alive." This "born alive" rule was a well-established principle. The court reviewed the legislative history of the statute and found no indication that the legislature intended to deviate from this common-law understanding. Thus, the court concluded that the writers of the law intended for "human beings" to refer only to persons born alive, deliberately excluding fetuses from this definition.
The court's decision affirmed that the power to define crimes and interpret statutes rests with the legislative branch. This ruling highlights the importance of legislative clarity and intent in defining criminal conduct. By interpreting the statute narrowly and adhering to the common-law definition of "human being," the court respected the separation of powers and left any changes in the legal definition of "human being" to the legislature.
The case also addressed the principle of due process, emphasizing the need for individuals to have notice of what acts constitute criminal behavior. The court suggested that interpreting the murder statute to include the killing of an unborn fetus would deny the defendant fair warning that their actions were criminal. This consideration underscores the court's recognition of the potential consequences of broadening the interpretation of criminal statutes.
In conclusion, the court's decision in Keeler v Superior Court considered the power to define crimes in California by interpreting the term "human being" in the state's murder statute. The ruling affirmed the exclusive authority of the legislative branch to define crimes and highlighted the importance of legislative intent, due process, and the avoidance of retroactive lawmaking in criminal law.
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Frequently asked questions
The case revolves around the question of whether an unborn but viable fetus can be considered a "human being" within the definitions of California's murder statute.
The California Supreme Court ruled that an unborn fetus does not fall under the definition of a "human being" and that the murder provision of the California Penal Code only applies to actual, living people.
The case clarified that a person who intentionally kills a developing fetus cannot be charged with murder under California law, as murder is defined as the unlawful killing of a "human being".
One key takeaway is that the court affirmed the importance of legislative intent in interpreting statutes. Additionally, the case highlighted the role of common law in shaping legal definitions and the need for clear and specific language in criminal statutes.




























