NAIROBI, Kenya — 30 August 2026: Kenya’s Directorate of Criminal Investigations says three more suspects have been arrested in the investigation into the killing of Dr Victoria Nthunya Mutiso.
Two including a serving Kenyan police constable were detained in Kampala with assistance from the Uganda Police Force, while a third was intercepted in Nairobi. The arrests are confirmed; the suspects’ alleged roles remain police claims that have not been tested in court.
What is the latest update in the Dr Victoria Mutiso case? Kenya’s DCI says three additional suspects are in custody after coordinated operations in Nairobi and Kampala. Two await an escorted return from Uganda. Police have described alleged roles for the suspects, but no court has determined their guilt.
What police confirmed about the three arrests
Citizen Digital reported that the new operation involved teams from the DCI’s Crime Research and Intelligence Bureau, Operations Directorate and Homicide Bureau. Police said forensic analysis led investigators to Kyanja Heights flats in Nakawa, Kampala.
The two people detained in Uganda were identified by police as Constable Bett Kiplangat Collins, attached to Thogoto Police Station in Kenya, and civilian Pius Muiru Mbugua. They are being held at Jinja Road Police Station while authorities prepare an escorted return to Kenya.
A third suspect, Samuel Karanja Gathoni, also known as “Lawyer,” was arrested in the Langata Multi-Media area while travelling towards Ongata Rongai, according to the same DCI account. The Standard independently carried the names, locations and intended transfer process.
The arrests are a material cross-border development. They do not amount to charges, a trial result or proof of involvement. Police say all three will be processed and taken to court after the two held in Uganda are returned to Kenya.
DCI allegations must still be tested in court
The DCI alleges that Constable Bett conducted surveillance and acted as a co-driver to Daniel Mwangi Njoroge, whom investigators describe as an organiser. It further alleges that a Land Cruiser Prado was used to block the ride-hailing vehicle carrying Dr Mutiso shortly before she was shot in Upper Hill on 29 July.
JUSTICE & CRIME
Three More Arrested in Dr Victoria Mutiso Murder Probe
Aug 30, 2026
Aug 30, 2026
5 min read
Published
Updated:
NAIROBI, Kenya — 30 August 2026: Kenya’s Directorate of Criminal Investigations says three more suspects have been arrested in the investigation into the killing of Dr Victoria Nthunya Mutiso.
Two including a serving Kenyan police constable were detained in Kampala with assistance from the Uganda Police Force, while a third was intercepted in Nairobi. The arrests are confirmed; the suspects’ alleged roles remain police claims that have not been tested in court.
What is the latest update in the Dr Victoria Mutiso case? Kenya’s DCI says three additional suspects are in custody after coordinated operations in Nairobi and Kampala. Two await an escorted return from Uganda. Police have described alleged roles for the suspects, but no court has determined their guilt.
What police confirmed about the three arrests
Citizen Digital reported that the new operation involved teams from the DCI’s Crime Research and Intelligence Bureau, Operations Directorate and Homicide Bureau. Police said forensic analysis led investigators to Kyanja Heights flats in Nakawa, Kampala.
The two people detained in Uganda were identified by police as Constable Bett Kiplangat Collins, attached to Thogoto Police Station in Kenya, and civilian Pius Muiru Mbugua. They are being held at Jinja Road Police Station while authorities prepare an escorted return to Kenya.
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A third suspect, Samuel Karanja Gathoni, also known as “Lawyer,” was arrested in the Langata Multi-Media area while travelling towards Ongata Rongai, according to the same DCI account. The Standard independently carried the names, locations and intended transfer process.
The arrests are a material cross-border development. They do not amount to charges, a trial result or proof of involvement. Police say all three will be processed and taken to court after the two held in Uganda are returned to Kenya.
DCI allegations must still be tested in court
The DCI alleges that Constable Bett conducted surveillance and acted as a co-driver to Daniel Mwangi Njoroge, whom investigators describe as an organiser. It further alleges that a Land Cruiser Prado was used to block the ride-hailing vehicle carrying Dr Mutiso shortly before she was shot in Upper Hill on 29 July.
Police also allege that Mbugua moved money for logistics and served as a link between the people who carried out the attack and whoever commissioned it. The Star’s report repeatedly identifies those details as allegations from investigators.
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No opened court record shows that the three latest suspects have pleaded to charges. No conviction has been entered, and no publicly accessible response from the suspects or their lawyers was located before publication. Those distinctions are essential because an arrest confirms custody, not guilt.
The DCI also rejected claims that investigators had previously arrested and quietly released suspects or helped people escape. That denial is the agency’s position; it does not independently resolve political criticism of the investigation.
How the investigation reached this point
Dr Mutiso was fatally shot in Nairobi’s Upper Hill area on 29 July 2026 while travelling in a requested ride. In its first official statement, the DCI said crime-scene teams recovered exhibits, interviewed witnesses and transferred the inquiry to homicide detectives and forensic experts.
One day later, the agency’s initial investigation update said two persons of interest were in custody and that evidence recovered during searches was undergoing forensic analysis. The new Kampala and Nairobi arrests expand that earlier investigation, but police have not publicly established a final motive or identified the person they believe ordered the killing.
The Kenya–Uganda dimension also makes the legal process important. Detention at Jinja Road Police Station is not the same as appearance before a Kenyan court. Authorities still need to complete the lawful return, processing and arraignment steps described in the DCI statement.
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Why the cross-border element matters
Kenya and Uganda regularly cooperate on criminal investigations, but each case still requires precise handling of custody and court procedure. XTRAfrica previously covered a DCI operation targeting Uganda-linked phone-theft routes, as well as Kenyan arrests in the killing of Ugandan athlete Benjamin Kiplagat. Those cases provide context for regional police cooperation without proving anything about the Mutiso suspects.
The involvement of a serving police officer also raises public-interest questions about accountability. Kenya has previously confronted violence involving police personnel, including the Nairobi courtroom shooting reported by XTRAfrica. In the present case, however, the officer’s alleged role must be assessed through evidence and due process rather than assumed from his occupation or arrest.
The next verifiable milestones are the return of the two suspects from Uganda, their first court appearances, the charges if any approved by prosecutors, and any responses filed by defence lawyers. Until then, the confirmed story is the arrest operation, not a final account of who planned or carried out Dr Mutiso’s killing.
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