Three More Arrested in Doctor Mutiso's Murder Probe

Detectives investigating the cold-blooded killing of Dr Victoria Nthunya Mutiso have netted three additional suspects, two of them tracked down across the border in Uganda after forensic leads pointed investigators toward Kampala.
The operation, involving specialised teams from the Directorate of Criminal Investigations, unfolded in both Nairobi and the Ugandan capital, underscoring the cross-border nature of the manhunt that followed the physician’s fatal shooting on the morning of 29 July 2026 in Upper Hill. Police Constable Bett Kiplangat Collins, attached to Thogoto Police Station, and civilian Pius Muiru Mbugua were seized at Kyanja Heights flats in the Nakawa suburb with assistance from Ugandan officers, while a third man, Samuel Karanja Gathoni, known as “Lawyer,” was intercepted in the Langata Multi-Media area as he made his way toward Ongata Rongai.
Investigators have outlined distinct roles for the newly detained men in what they describe as a carefully coordinated hit. Constable Bett allegedly conducted surveillance and served as co-driver alongside Daniel Mwangi Njoroge, identified as a central organiser who was behind the wheel of a Land Cruiser Prado registration KDH 600A. That vehicle, detectives say, was used to box in the Uber carrying Dr Mutiso moments before she was shot. Mbugua, meanwhile, is portrayed as a critical intermediary who linked the execution team to the individual believed to have commissioned the attack; he is also accused of handling payments that covered logistics and the movement of those involved.
The National Police Service publicly acknowledged the cooperation that made the Ugandan arrests possible. “The National Police Service acknowledges the professional support of the Uganda Police Force, whose cooperation made the raid, arrests and secure detention possible. The two suspects are held at Jinja Road Police Station pending an escorted return to Nairobi,” detectives stated. The agency stressed that the pair would be brought back for processing and arraignment together with the third suspect, adding that the flight of any individual had only delayed, not derailed, the case file. Officials further thanked the victim’s family, friends and members of the public for their patience, while dismissing as false certain political claims that suspects had been secretly released or assisted by security officers.
Those earlier allegations, the investigators maintained, were intended to erode public confidence and paint detectives as complicit rather than determined pursuers of justice. The successful raid in Kampala, they argued, provided a clear factual rebuttal. Authorities have renewed their appeal for anyone with relevant information to come forward, either at the nearest police station or through the confidential #FichuaKwaDCI channels. Parallel to these developments, four other individuals already charged in connection with the same killing—Angela Mulwa, Rose Mbithe Mulwa, Chris Mulwa and Elijah Kibelion Kimoi—have been ordered to undergo a 14-day psychiatric evaluation before they can enter pleas at the Milimani Law Courts.
Dr Mutiso’s death has drawn particular attention because of a pending land dispute in Machakos and her earlier report of being confronted by two armed people on a motorcycle. As the web of suspects expands and court processes advance, the painstaking work of piecing together motive, logistics and responsibility continues, offering a reminder that determined investigation can still close the distance between violence and accountability even when borders and time intervene.



