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Court of AppealDismissedCourt of Appeal at Mombasa (Memorandum of Appeal dated 6th May 2022)

Shisanya v Mwangi & 3 others (Civil Appeal E046 of 2022) [2025] KECA 2071 (KLR)

Court of Appeal of Kenya
5 December 2025
6,014 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 that courts cannot force the DPP to prosecute unless there is clear evidence of abuse of power.

What this practically means

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Executive summary

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This is a judgment of the Court of Appeal at Mombasa (Murgor, Laibuta and Ngenye-Macharia, JJA) delivered on 5th December 2025, dismissing in its entirety an appeal by Cornel L. Shisanya against the ruling of Mativo, J. dated 9th March 2022 in Mombasa HC Petition No. 63 of 2016. The underlying petition, brought by a father, sought protection of his daughter from child and sexual abuse and an investigation into how she obtained a national identity card. The High Court (Ogola, J.) had allowed the petition and directed the DPP and DCI to investigate and report. On mention, the DPP reported a decision not to prosecute, finding that the young woman was over 18 when she obtained the identity card and did not wish to have the matter prosecuted. Mativo, J. found no reason to fault the DPP's decision. The appellant appealed on eight grounds, principally that the successor Judge failed to 'accommodate' Ogola, J.'s decisions, denied him a fair hearing, and failed to compel prosecution. The Court of Appeal framed two issues: fair hearing, and whether the Judge erred in not finding the DPP mandated to prosecute. The Court held that the grounds on which no submissions were made stood abandoned, including the fair-hearing complaint, and that the DPP's prosecutorial discretion under Article 157(6) and (10) is independent: a court may direct that action be taken but not how discretion is exercised, and intervention requires demonstrated gross abuse of discretion, manifest injustice or palpable excess of authority, none of which was shown. The appeal was dismissed, the High Court ruling upheld, and each party ordered to bear its own costs given the public nature of the petition.

Questions the Court framed

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

  1. 1.Whether the appellant was accorded a fair hearing before Mativo, J.
  2. 2.Whether the learned Judge was at fault in failing to find that the DPP was mandated to prosecute the 1st respondent

Key legal issues

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01

Whether the High Court could fault the DPP's decision not to prosecute the 1st respondent

Holding

No. The trial Judge was merely recording his findings on the DPP's decision and its reasons; the DPP is independent under Article 157(10) and intervention requires demonstrated abuse of prosecutorial power, which was not shown.

Reasoning

Article 157(6) vests State powers of prosecution in the DPP, who under Article 157(10) requires no consent and is not under the direction or control of any person or authority. Courts may intervene only in exceptional cases of abuse of power or process. The DPP's decision was based on an investigation report which the trial court found no reason to impeach, and the appellant demonstrated no gross abuse of discretion, manifest injustice or palpable excess of authority.

p. 9
02

Whether the appellant was denied a fair hearing before Mativo, J.

Holding

The issue was abandoned; the appellant made no submissions on it and nothing turns on it.

Reasoning

Although the memorandum of appeal raised grounds touching on the Judge's conduct of proceedings (muted microphone, failure to accommodate prior decisions), the appellant filed no submissions on the fair-hearing issue when the appeal came up for hearing, and the Court treated those grounds as abandoned and failing.

p. 12
03

Status of grounds of appeal on which no submissions are made

Holding

Grounds of appeal on which no submissions are made stand abandoned.

Reasoning

The Court confined the appeal to two broad issues on which submissions were made and expressly held that the remaining grounds in the memorandum of appeal, though raised, were abandoned for want of submissions.

p. 8

Legal principles established

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  • The decision to prosecute rests exclusively with the independent DPP under Article 157(6) and (10), and a court may only direct that action be taken, not the manner in which prosecutorial discretion is exercised
  • Judicial interference with prosecutorial discretion is reserved for exceptional cases of demonstrated abuse of power

Court orders

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  1. 1.The appeal is dismissed in its entirety
  2. 2.The Ruling and Orders of the High Court of Kenya at Mombasa (J. Mativo, J.) dated 9th March 2022 are upheld
  3. 3.Each party to bear their own costs of the appeal

The bench

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

majority
majority
On appeal from
High Court of Kenya at Mombasa
Mombasa HC Petition No. 63 of 2016
Jurisdiction invoked
First appeal to the Court of Appeal against the ruling of the High Court (constitutional petition); no specific Article 163(4) certification invoked on the record

Relief refused

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Upholding of the earlier decisions and orders of E. K. O. Ogola, J. and faulting the DPP's decision not to prosecute the 1st respondent

The decision to prosecute is the prerogative of the independent DPP under Article 157; the appellant failed to demonstrate gross abuse of discretion, manifest injustice or palpable excess of authority

p. 10

Grounds alleging breach of the right to a fair hearing

The appellant made no submissions on the alleged breach of his right to a fair hearing

p. 12

Costs

Given the public nature of the petition leading to the instant appeal, we hereby order and direct each party to bear their own costs of the appeal. Orders accordingly.

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.

we reach the inescapable conclusion that the appeal fails and is hereby dismissed in its entirety. Consequently, the Ruling and Orders of the High Court of Kenya at Mombasa (J. Mativo, J.) (as he then was) dated 9th March 2022 are hereby upheld.
p. 12Disposition - appeal dismissed and High Court ruling upheld
Given the public nature of the petition leading to the instant appeal, we hereby order and direct each party to bear their own costs of the appeal.
p. 12Costs order - each party to bear own costs
The decision to prosecute remained the prerogative of the DPP who, according to Article 157(10), was not subject to the direction or control of any person or authority.
p. 9Independence of the DPP under Article 157
The appellant did not demonstrate that the DPP acted in gross abuse of discretion, manifest injustice or palpable excess of authority to warrant intervention or directions by the learned Judge.
p. 10Threshold for judicial intervention in prosecutorial discretion
To our mind, the other issues raised in the appellants grounds of appeal, but on which no submissions were made, stood abandoned.
p. 8Abandonment of unargued grounds

Issues in the judgment

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minor

The judgment's citation of cases embedded in quoted passages (Jirongo, Vision 2030, Githunguri, Ndarua, Kuria, Mohit, Manning) means their treatment is recorded as within quotations rather than this court's own adoption

minor

The transcript of Mativo, J.'s ruling contains internal inconsistencies in date references (orders dated 16.5.2019 versus 13.6.2019 as recited in the narrative) and apparent transcription gaps in the DPP's report date

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, "Shisanya v Mwangi & 3 others (Civil Appeal E046 of 2022) [2025] KECA 2071 (KLR)", Case Analysis (2025). Court of Appeal at Mombasa (Memorandum of Appeal dated 6th May 2022). Source: https://new.kenyalaw.org/akn/ke/judgment/keca/2025/2071/eng@2025-12-05

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