Leon-Briviesca v. Blanche — Ninth Circuit holds state child endangerment convictions fall within federal immigration removability statute

Case
Martin Leon-Briviesca v. Todd Blanche; Sotero Rivera-Mendoza v. Todd Blanche
Court
United States Court of Appeals for the Ninth Circuit
Date Decided
June 25, 2026
Docket No.
17-73108; 21-70107
Topics
Immigration, deportability, child abuse, child neglect, statutory interpretation

Background

Martin Leon-Briviesca, a Mexican national who arrived in 1979, was convicted in 2010 of “cruelty to a child” under California Penal Code § 273a(a) for assaulting a 17-year-old girl seeking his advice as a minister. He was sentenced to one year in jail. The Department of Homeland Security charged him with removability under 8 U.S.C. § 1227(a)(2)(E)(i), which makes deportable any alien convicted of a crime of child abuse, child neglect, or child abandonment. An Immigration Judge and the Board of Immigration Appeals (BIA) found his conviction categorically encompassed by the statute.

Sotero Rivera-Mendoza, also a Mexican national with two U.S. citizen children, pleaded guilty in 2010 to two counts of child neglect under Oregon Revised Statute § 163.545 after leaving his two and three-year-old children sleeping at home while he and his wife went to Walmart; the younger child awoke and escaped to the street. After being charged with removable status, he applied for cancellation of removal, but an Immigration Judge and the BIA determined his convictions fell within § 1227(a)(2)(E)(i) and barred relief.

Both petitioners challenged removal, arguing that § 1227 does not reach child endangerment crimes (where a child is placed in danger but not actually harmed), that their state convictions required a lower mental state than criminal negligence, and that the statute applies only to parents or guardians. Their petitions for review were consolidated.

The Court’s Holding

The Ninth Circuit panel held that 8 U.S.C. § 1227(a)(2)(E)(i) encompasses child endangerment crimes—offenses placing a minor in a dangerous situation without resulting in actual physical harm. The panel examined the statute using traditional tools of statutory interpretation after the Supreme Court vacated its prior decision in Diaz-Rodriguez and rejected Chevron deference in Loper Light Enterprises v. Raimondo. Applying ordinary statutory construction, the court concluded that the statute’s reference to “child abuse, child neglect, or child abandonment” forms a unified category that includes endangerment based on the statute’s structure, the historical legislative intent to “comprehensively” cover crimes against children, and alignment with analogous federal statutes like the National Child Protection Act of 1993 (defining “child abuse crime” to include “negligent treatment” of children).

On the elements required, the court held that state convictions fall within § 1227 when they require: (1) a mens rea of at least criminal negligence (the court found “neglect” itself requires this mental state), and (2) an actus reus of placing a child in a situation where the child’s person or health is endangered under circumstances or conditions likely to produce bodily or mental harm. The court further held the statute applies to defendants who are not the child’s parent or guardian, contrary to petitioners’ arguments. Applying the categorical approach—comparing state statutes to the generic federal definition—the court found Leon-Briviesca’s California conviction and Rivera-Mendoza’s Oregon conviction both categorically fit within § 1227.

Key Takeaways

  • Federal immigration law removability for “crimes of child abuse, child neglect, or child abandonment” extends to child endangerment offenses—crimes that place children at risk without proving actual injury.
  • The required mental state under § 1227(a)(2)(E)(i) is criminal negligence; the statute reaches conduct that is reckless or criminally negligent, not requiring intent or knowledge.
  • The statutory language encompasses crimes by anyone in contact with children, not only parents or guardians; the term “child abandonment” (which does not inherently involve injury) supports this reading.
  • After Loper Light’s rejection of Chevron deference, courts must exercise independent judgment in interpreting ambiguous statutes using traditional construction tools, while still considering agency interpretations as guidance (under Skidmore deference).

Why It Matters

This decision significantly expands the reach of federal immigration removability law by confirming that endangering a child—even without causing measurable harm—can trigger deportation. The Ninth Circuit aligned with the Fourth, Fifth, and Eleventh Circuits, creating nationwide consistency that child endangerment crimes fall within the statutory bar. The ruling has immediate practical impact: noncitizens convicted of leaving children unsupervised, failing to provide safe conditions, or other negligent child endangerment now face categorical removability and loss of discretionary relief like cancellation of removal, regardless of their length of U.S. residence, family ties, or humanitarian circumstances.

The decision also illustrates the post-Loper Light landscape: courts no longer defer to agency interpretations of ambiguous statutes but instead must determine statutory meaning independently using conventional interpretive tools. Here, the court found the traditional understanding of “child neglect” (implying failure of duty creating risk of harm) supported the broader reading, even though the BIA and circuit precedent had reached the same conclusion under Chevron deference. The reasoning suggests future statutory ambiguities in immigration law will receive fresh, de novo analysis grounded in text, structure, and legislative purpose rather than agency expertise.

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