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Court of AppealPartially AllowedCriminal Appeal (not stated in judgment)

Adero alias Dicky v Republic (Criminal Appeal E166 of 2022) [2026] KECA 1364 (KLR)

Court of Appeal of Kenya
10 July 2026
MGM. GachokaWKW. KorirLNL. M. Ndolo
2,740 words in judgment
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The bottom line

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Kenya's Court of Appeal upheld a defilement conviction but cut the sentence back to 15 years because the High Court increased it without warning the appellant.

What this practically means

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Executive summary

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The appellant was convicted by the Senior Principal Magistrate's Court at Iten of defilement contrary to section 8(1) as read with section 8(3) of the Sexual Offences Act and sentenced to 15 years' imprisonment. On first appeal, the High Court at Eldoret dismissed his appeal on 28th March 2019 and enhanced the sentence to 20 years. On second appeal to the Court of Appeal at Eldoret, the appellant challenged the proof of the complainant's age, the sufficiency of the medical and DNA evidence, and the enhancement of his sentence without prior notice. The court, comprising Gachoka, Korir and Ndolo JJAs in a single judgment, reaffirmed that a second appeal is confined to points of law under section 361 of the Criminal Procedure Code. It held that although the age assessment report bore a different name, dents in its probative value were not fatal since the complainant and her father gave credible oral evidence fixing her age at 15 years. The court held that DNA testing is discretionary, not mandatory, and that a P3 form completed by a non-testifying intern doctor was properly produced under sections 33 and 77 of the Evidence Act. The conviction was found safe. However, the court found the High Court's suo moto enhancement of sentence without prior notice to the appellant to be a fatal error violating the right to a fair trial under article 50(2) of the Constitution. The appeal against conviction was dismissed, but the enhanced sentence of 20 years was set aside and replaced with the original 15-year sentence.

Key legal issues

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01

Proof of the age of the complainant

Holding

Age was duly established as 15 years by the oral evidence of the complainant and her father notwithstanding the defective age assessment report.

Reasoning

The court accepted that the mix-up of names on the age assessment report dented its probative value, but held this was not fatal. The complainant (PW1) stated she was born on 12th June 1999 and her father (PW3) testified she was 15 years old. The appellant himself conceded that on the alleged offence date she would have been 15 years and 7 months. Documentary evidence is not the only mode of proving age; oral evidence of the victim and parents suffices.

p. 3
02

Sufficiency of medical and DNA evidence to prove penetration and identification

Holding

Medical evidence and DNA testing are not mandatory; conviction can rest on the believed testimony of the victim with recorded reasons under the proviso to section 124 of the Evidence Act.

Reasoning

The P3 form completed by an intern doctor was properly produced by Dr. Mugala, his supervisor, who was familiar with the handwriting and involved in the examination. A six-month delay before examination did not defeat the case since injuries would have healed. DNA samples were putrefied and no report resulted, but DNA testing under section 36 of the Sexual Offences Act is discretionary ('may') and not obligatory. The complainant gave a vivid, consistent account identifying the appellant.

p. 4
03

Enhancement of sentence without prior notice

Holding

The High Court's suo moto enhancement from 15 to 20 years without notice violated the right to a fair trial and could not stand.

Reasoning

Under section 354(3) of the Criminal Procedure Code an appellate court may alter a sentence, but the power must be exercised judiciously. Following JJW v Republic, an appellant must be put on notice and given an opportunity to address the court on proposed enhancement. There was no evidence the appellant was warned; at the very least he ought to have had a chance to mitigate or reconsider his appeal. The failure was a fatal error by the High Court.

p. 5

Legal principles established

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  • An appellate court may not enhance a sentence without first putting the appellant on notice and giving an opportunity to address the court on the proposed enhancement; an enhancement without such notice is a fatal error and cannot stand.
  • A defective age assessment report does not fatally undermine the prosecution case where the age of the victim is otherwise established by credible oral evidence of the victim and her parents or guardians.
  • A P3 form completed by a doctor who does not testify may be produced by another doctor familiar with the maker's handwriting and involved in the examination.
  • DNA testing is not mandatory in proving sexual offences; lack of medical evidence is not fatal to a prosecution for a sexual offence.

Court orders

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  1. 1.Appeal against conviction dismissed
  2. 2.Appeal against sentence allowed to the extent that the enhanced sentence of 20 years' imprisonment is set aside and replaced with the original sentence of 15 years' imprisonment
On appeal from
High Court at Eldoret
not stated in judgment
Jurisdiction invoked
Second appeal under section 361 of the Criminal Procedure Code

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, "Adero alias Dicky v Republic (Criminal Appeal E166 of 2022) [2026] KECA 1364 (KLR)", Case Analysis (2026). Criminal Appeal (not stated in judgment). Source: https://new.kenyalaw.org/akn/ke/judgment/keca/2026/1364/eng@2026-07-10

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