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Court of AppealDismissedCriminal Appeal No. 84 of 2021

Asiago v Republic (Criminal Appeal 140 of 2020) [2026] KECA 773 (KLR)

Court of Appeal
24 April 2026
PNP. NyamweyaLAL. AchodeJMJ. Mativo
3,458 words in judgment
View original judgmentRead on Kenya Law Watch case
AI-assisted case brief
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The bottom line

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Kenya's Court of Appeal dismissed a defilement appeal, confirming that DNA evidence is not required for conviction and that life imprisonment stands.

What this practically means

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Executive summary

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This was a second appeal to the Court of Appeal at Kisumu against the appellant's conviction for defilement of a three-and-a-half-year-old boy contrary to section 8(1) as read with section 8(2) of the Sexual Offences Act, and the resultant life imprisonment sentence. The trial court at Keroka convicted and sentenced the appellant, and E. N. Maina J. of the High Court at Nyamira dismissed the first appeal on 22nd November 2018, upholding both conviction and sentence. Before the Court of Appeal, the appellant, appearing in person, raised three grounds: that the contradictions in the prosecution case were fatal; that the absence of a DNA test created evidential gaps; and that the indeterminate life sentence was unconstitutional and excessive. The respondent, through the Principal Prosecution Counsel, maintained that all elements of defilement were proved beyond reasonable doubt. The Court, per a single joint judgment, framed three issues and resolved all against the appellant. Applying Karingo v Republic, it held that a second appeal is confined to points of law and declined to disturb the concurrent findings of fact. It held that the contradictions were minor and inconsequential, and that DNA evidence is not mandatory to prove defilement, following AML v Republic and Geofirey Kionji v Republic; identification was by recognition of a known person. On sentence, the Court held it lacked jurisdiction over sentence severity, which is a matter of fact under section 361(1) of the Criminal Procedure Code, and declined to entertain the constitutional challenge to section 8(2) because it had not been raised before the first appellate court, citing the Supreme Court's direction in Joseph Maina Mwangi v Republic, and noting that the Supreme Court has since held in Republic v Manyeso that life imprisonment is a legal sentence. The appeal was dismissed in its entirety on both conviction and sentence. 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 contradictions and inconsistencies in the prosecution's case were fatal to the case
  2. 2.Whether the absence of a DNA test linking the appellant to the offence interfered with proper identification
  3. 3.Whether the indeterminate and indefinite life imprisonment imposed upon the appellant was unconstitutional

Key legal issues

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01

Whether contradictions in the prosecution case rendered the conviction unsafe

Holding

The inconsistencies were minor and inconsequential to the conviction; the evidence read as a whole had a ring of truth and the conviction was safe

Reasoning

Applying Joseph Maina Mwangi v Republic and section 382 of the Criminal Procedure Code, the Court held that discrepancies must be fundamental and prejudicial to vitiate a conviction. Minor discrepancies on trivial matters not touching the core of the case do not justify rejection of the evidence as a whole, particularly where a child of tender years gave a clear account.

p. 5
02

Whether absence of DNA evidence was fatal to proof of penetration and identification

Holding

DNA evidence is not mandatory; penetration and identity of the perpetrator may be proved by cogent credible evidence, including recognition and the victim's own testimony

Reasoning

Relying on AML v Republic and Geofirey Kionji v Republic, the Court reiterated that medical or DNA evidence, while welcome, is not the only basis for conviction. The victim knew and identified the appellant, gave a vivid account, and the clinical officer's findings corroborated the assault, establishing proof beyond reasonable doubt.

p. 6
03

Whether the Court could review the severity of the life sentence

Holding

It could not; severity of sentence is a matter of fact under section 361(1) of the Criminal Procedure Code and outside the Court's second-appeal jurisdiction

Reasoning

Section 361(1) confines second appeals to matters of law and expressly provides that severity of sentence is a matter of fact. The High Court did not enhance the sentence, so no ground for interference existed under the proviso.

p. 6
04

Whether the constitutionality of the indeterminate life sentence under section 8(2) of the Sexual Offences Act could be determined

Holding

No; the issue was not a ground of appeal before the first appellate court and constitutional questions must originate in the High Court

Reasoning

Following the Supreme Court's direction in Joseph Maina Mwangi (Republic v Mwangi; ISLA), constitutional challenges to minimum or mandatory sentences must be filed, presented and fully argued before the High Court before escalation. Raising such a challenge for the first time on second appeal is impermissible. In any event, the Supreme Court has held life imprisonment to be a legal sentence in Republic v Manyeso.

p. 7

Legal principles established

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  • On a second appeal under section 361 of the Criminal Procedure Code, the Court of Appeal is confined to matters of law and will not interfere with concurrent findings of fact of the two courts below unless they were based on no evidence.
  • Contradictions in prosecution evidence do not vitiate a conviction unless they are so fundamental as to cause prejudice to the accused or are consequential to the conviction and sentence.
  • DNA evidence is not mandatory to prove defilement; a sexual offence may be proved by any cogent and credible evidence, including the evidence of the victim alone under the proviso to section 124 of the Evidence Act.
  • Severity of sentence is a matter of fact, not law, and the Court of Appeal lacks jurisdiction on a second appeal to entertain an appeal on the excessiveness of a sentence.
  • The constitutionality of minimum or mandatory sentences cannot be raised for the first time on a second appeal; it must be properly litigated before the High Court and escalated through the appropriate channels.

Court orders

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  1. 1.Appeal dismissed on both conviction and sentence
  2. 2.Conviction for defilement contrary to section 8(1) as read with section 8(2) of the Sexual Offences Act upheld
  3. 3.Life imprisonment sentence affirmed

The bench

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

PN
majority

Wrote the judgment

LA
majority

Wrote the judgment

JM
majority

Wrote the judgment

On appeal from
High Court at Nyamira
Jurisdiction invoked
Second appeal under section 361(1) of the Criminal Procedure Code, confined to matters of law

Relief refused

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Setting aside the conviction on grounds of contradictions and inconsistencies in the prosecution case

The contradictions were inconsequential and caused no prejudice to the appellant

p. 5

Quashing the conviction for lack of a DNA test

DNA evidence is not mandatory to prove a sexual offence; conviction may rest on the victim's evidence

p. 5

Reduction of the life sentence on grounds of excessiveness

Severity of sentence is a matter of fact under section 361(1) of the Criminal Procedure Code, over which the Court has no jurisdiction on second appeal

p. 6

A declaration that the indeterminate life sentence under section 8(2) of the Sexual Offences Act is unconstitutional

The issue was not raised before the first appellate court and cannot be entertained on second appeal; the High Court holds original jurisdiction over constitutional questions

p. 7

Costs

No costs order made 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.

A second appeal must be confined to points of law and this Court will not interfere with concurrent findings of fact arrived at in the two courts below unless based on no evidence.
p. 4Scope of second appeals - matters of law only
we reiterate that sexual ofiences are proved through any cogent and credible evidence and there is no requirement under our laws for the prosecution to produce DNA tests linking an accused person to the crime in a sexual ofience
p. 5DNA evidence not mandatory in sexual offences
The fact of rape or defilement is not proved by way of a DNA test but by way of evidence.
p. 5Proof of defilement by evidence, not DNA
In any trial there are bound to be discrepancies. An appellate court in considering those discrepancies must be guided by the wording of Section 382 of Criminal Procedure Code viz, whether such discrepancies are so fundamental as to cause prejudice to the appellant, or they are inconsequential to the conviction and sentence.
p. 5Treatment of discrepancies in prosecution evidence
Therefore, we find first, that this Court lacks the jurisdiction to delve into the appeal on the excessiveness of the sentence being a matter of fact.
p. 6No jurisdiction over sentence severity on second appeal
the upshot is that we find no merit in the appeal and accordingly, dismiss it on both conviction and sentence.
p. 7Disposition - appeal dismissed on conviction and sentence

Issues in the judgment

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minor

Internal date inconsistency: the appellant's submissions are dated 15th August 2025 and the hearing took place on 3rd September 2025, yet the judgment is dated 24th April 2026 and the memorandum of appeal is undated; also the respondent's submissions are dated 25th August 2025 although filed in support of opposition.

minor

The judgment contains recurring typographical errors ('ofience' for 'offence', 'afirmed' for 'affirmed', 'difiiculties'), and the case title/case number of the appeal are not stated anywhere in the judgment; the case name used above is inferred from the description of the appellant and is not printed in the judgment.

minor

The charge is described as defilement contrary to section 8(1) 'as read with 8' of the Sexual Offences Act, an apparently incomplete provision reference, though the sentencing provision is elsewhere correctly identified as section 8(2).

Key timeline

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Practical implications

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Frequently asked questions

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Later judgments citing this (5)

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Judgments in the corpus that rely on this one. Where the Court said how it treated the authority, that is shown.

Cite this brief

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Cite this brief

Caselaw, "Asiago v Republic (Criminal Appeal 140 of 2020) [2026] KECA 773 (KLR)", Case Analysis (2026). Criminal Appeal No. 84 of 2021. Source: https://new.kenyalaw.org/akn/ke/judgment/keca/2026/773/eng@2026-04-24

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