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Court of AppealDismissedCriminal Appeal (not stated in judgment; second appeal to Court of Appeal)

Njenga alias Karati v Republic (Criminal Appeal 109 of 2017) [2026] KECA 816 (KLR)

Court of Appeal of Kenya
30 April 2026
962 words in judgment
View original judgmentRead on Kenya Law Watch case
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The bottom line

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Kenya's Court of Appeal confirmed a life sentence for defilement of a 10-year-old, refusing to hear arguments the appellant raised too late in the appellate process.

What this practically means

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Executive summary

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The appellant, Michael Mune Njenga alias Karati, was convicted in the Senior Resident Magistrate's Court at Gatundu of defilement contrary to section 8(1) as read with section 8(2) of the Sexual Offences Act and sentenced to life imprisonment. The complainant, DWW, was found to have been 10 years old at the material time. He was acquitted on a second count of defilement involving a second complainant, DN, because her age had not been proved. His first appeal to the High Court at Nairobi (L. A. Achode, J.) was dismissed in its entirety. On second appeal, the Court of Appeal (Kiage, Muchelule and Korir, JJA) restated that its jurisdiction is confined to matters of law and declined to re-evaluate the evidence. The Court refused to entertain grounds raised for the first time on second appeal - the conduct of the voir dire, an allegedly defective charge sheet, the truthfulness of prosecution witnesses, the right to recall witnesses, and alleged constitutional violations - citing Republic v Mwangi; ISLA (Amicus Curiae) on the limits of appellate jurisdiction. On the merits, the Court held that the concurrent findings of the two courts below - the complainant's age, penetration, and the appellant's identity as a known villager - clearly and compellingly proved the charge, applying the formulation in Mwaura v Republic on the elements of defilement. Once the complainant's age of 10 years was established, life imprisonment was the lawful sentence under section 8(2). The appeal was dismissed in its entirety; no costs order was made.

Questions the Court framed

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

  1. 1.Whether the Court can determine grounds not raised in the first appeal
  2. 2.Whether the appellant was convicted on sufficient evidence on a charge of defilement
  3. 3.Whether the lawful sentence for defilement of a 10-year-old under section 8(2) of the Sexual Offences Act was imposed

Key legal issues

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01

Scope of a second appeal

Holding

The Court's jurisdiction on second appeal is confined to matters of law and will not disturb concurrent factual findings absent perversity or misdirection

Reasoning

The Court invoked Sichei v Republic to restate the settled limitation on second appeals. It found concurrent findings by the trial court and first appellate court that the complainant was 10 years old, was penetrated, and that the appellant was the known assailant, and saw no basis to depart from those findings.

p. 1
02

New grounds on second appeal

Holding

Grounds not raised in the first appeal cannot be entertained on second appeal

Reasoning

Relying on Republic v Mwangi; ISLA (Amicus Curiae), the Court declined to determine the appellant's arguments on the voir dire, defective charge sheet, witness credibility, recall of witnesses and constitutional violations because none had been raised before the High Court on first appeal.

p. 2
03

Elements of defilement and sentence

Holding

The elements of defilement were proved and, the complainant being 10 years old, life imprisonment was the lawful sentence under section 8(2) of the Sexual Offences Act

Reasoning

The Court found the complainant's age, penetration (supported by her testimony, that of DN, and the perforated hymen found by PW 3), and the identity of the appellant as a known villager were all established. Once the age of 10 was proved, section 8(2) prescribed life imprisonment, which was duly imposed.

p. 3

Legal principles established

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  • A second appeal to the Court of Appeal is confined to matters of law; the Court will not re-evaluate evidence unless the lower courts failed to consider relevant material, considered irrelevant material, or made perverse findings
  • An appellate court cannot assume jurisdiction to determine grounds that were not raised before the first appellate court
  • The prosecution in a defilement charge must prove that the victim was a child, that there was penetration, and that the accused was the penetrator

Court orders

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  1. 1.The appeal is dismissed in its entirety

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 at Nairobi
Jurisdiction invoked
Second appeal to the Court of Appeal under the Criminal Procedure Code; limited to matters of law

Relief refused

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Setting aside of conviction and life sentence for defilement

Concurrent findings of fact by the two courts below clearly and compellingly proved the charge and the sentence was the lawful minimum under section 8(2) of the Sexual Offences Act

p. 3

Determination of grounds raised for the first time on second appeal (defective charge sheet, voir dire, truthfulness of witnesses, right to recall witnesses, constitutional violations)

The Court cannot assume jurisdiction over grounds not raised before the first appellate court

p. 2

Costs

No costs order made

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 conclusion, we find no merit in the appeal which we dismiss in its entirety.
p. 3Final orders - dismissal of appeal
In a charge of defilement, the prosecution is required to prove that the victim was a child, was penetrated and the accused person was the penetrator.
p. 2Elements of defilement
Once it was proved that DWW was 10 years, under section 8(2) of the Sexual Offences Act the lawful sentence was life imprisonment.
p. 3Mandatory sentence for defilement of a child aged under 11
we cannot assume jurisdiction to determine grounds that were not raised before the first appellate court and a decision made thereon
p. 2New grounds on second appeal

Issues in the judgment

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minor

The judgment does not state the case number of this second appeal or the neutral citation; the caseNumber field is incomplete

minor

No costs order appears anywhere in the judgment despite dismissal of the appeal

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, "Njenga alias Karati v Republic (Criminal Appeal 109 of 2017) [2026] KECA 816 (KLR)", Case Analysis (2026). Criminal Appeal (not stated in judgment; second appeal to Court of Appeal). Source: https://new.kenyalaw.org/akn/ke/judgment/keca/2026/816/eng@2026-04-30

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