Diana Nanjala Wesonga v Republic
The bottom line
#Kenya's Court of Appeal replaced a death sentence with 20 years' imprisonment, confirming every accused person must be heard in mitigation before sentencing.
What this practically means
#Executive summary
#Key legal issues
#Whether the appellant was afforded an opportunity to mitigate before being sentenced
The Court found that the appellant was not given a chance to mitigate before she was sentenced, which was an error on the part of the trial court, since the judgment of 20th January 2010 included the sentence and sentencing must follow only after mitigation is received.
The judgment dated 20th January 2010 incorporated the sentence. Citing Muruatetu, the Court reiterated that mitigation is part of the trial process under sections 216 and 329 of the Criminal Procedure Code and section 323 requires the accused be asked why sentence should not be passed. Although the respondent argued written submissions sufficed, the Court held that mitigation must be received from the accused person personally before sentence is pronounced, and failure to do so was error.
Whether the mandatory death sentence, post-Muruatetu, required remittal to the High Court for resentencing
The Court declined to remit for resentencing, holding the death sentence remains a lawful sentence and that the circumstances of this brutal, premeditated killing of a 7-year-old child warranted the harshest treatment, but substituted a definite term of 20 years.
Following Muruatetu, the mandatory nature of the death sentence under section 204 of the Penal Code is unconstitutional, opening discretion to impose other appropriate sentences. However, the Court reasoned that remittal would cause delay and injustice given time elapsed and the High Court's workload. Considering post-Muruatetu decisions of the Court imposing definite terms, and the brutal, premeditated strangling of a child, 20 years was held adequate.
Legal principles established
#- An accused person has a right to be heard in mitigation before sentencing, even where the offence carries a mandatory minimum sentence or the death penalty; sentencing must be reserved and pronounced only after mitigating circumstances are received and recorded.
- On a first appeal against conviction or sentence, the appellate court is obliged to re-evaluate the evidence and arrive at its own conclusions, while giving allowance for the trial court's advantage of observing witness demeanor.
Court orders
#- 1.The appeal against sentence partially succeeds
- 2.The sentence of death imposed by the High Court is substituted with a prison term of 20 years
- 3.The sentence of 20 years to be served with effect from 19th July 2006, the date of arrest
- On appeal from
- High Court of Kenya at Bungoma
- HCCR Case No. 27 of 2006
- Jurisdiction invoked
- First appeal to the Court of Appeal under the Criminal Procedure Code (as stated by the Court: 'This being a first appeal, the Court is obligated to consider the evidence presented before the trial court and arrive at its own independent conclusions')
Key timeline
#Practical implications
#Frequently asked questions
#Cite this brief
#Cite this brief
Caselaw, "Diana Nanjala Wesonga v Republic", Case Analysis (2026). Criminal Appeal (as stated: appeal against conviction and sentence in HCCR Case No. 27 of 2006). Source: https://new.kenyalaw.org/akn/ke/judgment/keca/2026/595/eng@2026-03-13
Suggested citation format for research notes or client memos. Always verify the original judgment before relying on any point.