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Court of AppealDismissedCriminal Appeal (unnumbered in text)

DMM v Republic (Criminal Appeal 103 of 2019) [2025] KECA 1525 (KLR)

Court of Appeal of Kenya
3 October 2025
2,709 words in judgment
View original judgmentRead on Kenya Law Watch case
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·~11 min to read original · ~4 min brief

The bottom line

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Kenya's Court of Appeal confirmed that life imprisonment for incest with a minor remains mandatory, and stepfathers count as fathers under the Sexual Offences Act.

What this practically means

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Executive summary

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The appellant was convicted by the Principal Magistrate's Court at Karatina of incest contrary to Section 20(1) of the Sexual Offences Act for penetrating his nine-year-old step-daughter on 3rd January 2013, and sentenced to life imprisonment. His first appeal to the High Court (Ong'undi, J.) against conviction and sentence was dismissed. In this second appeal, the appellant, acting in person, conceded the appeal on conviction and pressed only the sentence, arguing that the proviso to Section 20(1) does not create a mandatory minimum and that a mandatory life term denies courts discretion to consider mitigation, violating the right to dignity. The State opposed. The Court confined itself to matters of law under Section 361 of the Criminal Procedure Code. It reproduced Section 20(1), which prescribes imprisonment for life where the victim is under eighteen, and held the trial and first appellate courts could not be faulted. Relying on its recent decision in Octavious Waweru Kibugi v Republic, which deferred to the Supreme Court's holding in Republic v Mwangi (ISLA & 3 others) that minimum mandatory sentences under the Sexual Offences Act remain lawful until properly escalated to the Supreme Court, and noting that severity of sentence is a question of fact outside its remit under section 361(2), the Court found the appeal against sentence devoid of merit and dismissed it. The conviction and life sentence were thereby affirmed. This judgment binds subordinate courts on the continued validity of the mandatory life sentence for incest of minors.

Questions the Court framed

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The issues the Court set itself to decide, in its own words.

  1. 1.Whether the sentence of life imprisonment imposed under the proviso to Section 20(1) of the Sexual Offences Act was justified, the appeal on conviction having been conceded

Key legal issues

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01

Whether the life sentence under the proviso to Section 20(1) of the Sexual Offences Act is a lawful mandatory minimum that ousts judicial discretion in sentencing

Holding

The trial court and first appellate court acted lawfully; the proviso prescribes imprisonment for life where the victim is under eighteen, and the Supreme Court has held such minimum mandatory sentences lawful pending proper escalation

Reasoning

The appellant argued that Section 20(1) creates no mandatory minimum and that a mandatory life term violates the right to dignity by excluding mitigation. The Court reproduced Section 20(1) and held the trial court could not be faulted. It deferred to the Supreme Court's decision in Republic v Mwangi (ISLA) that the minimum mandatory sentences remain lawful, and noted severity of sentence is a question of fact outside a second appeal under section 361(2) of the Criminal Procedure Code.

p. 5
02

Whether the appellant qualified as PW1's 'father' for purposes of the incest charge

Holding

Yes; under Section 22(1) of the Sexual Offences Act the relationship test extends to a mother's husband whether through lawful wedlock or not

Reasoning

Section 22(1) defines the relationship test for incest, providing that a mother includes a half-mother and aunt of the first degree whether through lawful wedlock or not. PW2 testified she married the appellant in 2006 when PW1 was about three years old, making the appellant the step-father and within the statutory definition of father for the offence of incest.

p. 5

Legal principles established

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  • On a second appeal, the Court of Appeal's mandate is confined to matters of law and severity of sentence is a question of fact outside its remit
  • Minimum mandatory sentences under the Sexual Offences Act remain lawful until determined otherwise by the Supreme Court when a matter is properly escalated to that Court
  • For incest, a father includes a person married to the child's mother, whether through lawful wedlock or not, by virtue of Section 22(1) of the Sexual Offences Act

Court orders

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  1. 1.Appeal against sentence dismissed
  2. 2.Conviction and sentence of life imprisonment upheld

The bench

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One judgment of the whole court — no separate or dissenting opinions.

majority
majority
majority
On appeal from
High Court of Kenya
Jurisdiction invoked
Section 361 of the Criminal Procedure Code (second appeal confined to matters of law)

Relief refused

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Set-aside or review of the mandatory life imprisonment sentence

The proviso to Section 20(1) of the Sexual Offences Act prescribes life imprisonment where the victim is under eighteen, and the minimum mandatory sentences remain lawful per the Supreme Court

p. 5

Costs

No costs order recorded in the judgment

Quotable passages

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Verbatim from the judgment, each located to the page it appears on in the official PDF — so these can be cited and checked directly.

In the circumstances, we find that this appeal against sentence is devoid of merit and we dismiss it.
p. 5Final orders - dismissal of the appeal against sentence
This being a second appeal, our mandate is confined to matters of law under Section 361 of the Criminal Procedure Code.
p. 4Scope of second appeal
the minimum mandatory sentences under the Sexual Offences Act remain lawful until determined otherwise by the Supreme Court when the matter is properly escalated to that Court
p. 5Constitutionality of mandatory minimum sentences pending Supreme Court determination

Issues in the judgment

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minor

The judgment contains no case number or neutral citation for this appeal and records no costs order in its final paragraphs

Key timeline

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Practical implications

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Frequently asked questions

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Cite this brief

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Cite this brief

Caselaw, "DMM v Republic (Criminal Appeal 103 of 2019) [2025] KECA 1525 (KLR)", Case Analysis (2025). Criminal Appeal (unnumbered in text). Source: https://new.kenyalaw.org/akn/ke/judgment/keca/2025/1525/eng@2025-10-03

Suggested citation format for research notes or client memos. Always verify the original judgment before relying on any point.