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Julius Kimani Mwangi arrested over NHIF staff Nairobi CBD killing

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creengrab of CCTV footage showing the exact moment National Hospital Insurance Fund (NHIF) employee Lilian Waithera (inset) was shot while walking with a colleague along Kaunda Street in Nairobi city centre. A suspect in the shooting has been arrested./Courtesy

Detectives in Nairobi have arrested a suspect in the shooting and killing of 46-year-old Lilian Waithera.

Nairobi Police Commander Mr Adamson Bungei confirmed the suspect’s name as Julius Kimani Mwangi.

Ms Waithera was shot mysteriously on Kaunda Street in Nairobi last week.

    It took a post-mortem to reveal she had been shot as onlookers suspected she had collapsed and died.

    According to the police, Ms Waithera, who worked at the National Hospital Insurance Fund (NHIF), collapsed and died on Kaunda Street, Nairobi.

    Her colleagues who were with her called an ambulance, but the responders declared her dead at the scene.

    She had walked from her place of work in Upper Hill and was heading home when she collapsed.

    A post-mortem showed the cause of death to be shooting after a bullet was found lodged in the lungs.

    “The female NHIF staff who collapsed and died along Kaunda Street on Monday evening had been shot from an elevated angle. Autopsy revealed the bullet was lodged in her lungs,” police said Tuesday last week.

    “The bullet entered through the collar bone, having been fired from an elevated angle,” police added.

    Waithera, who had worked at NHIF for 15 years, and whom colleagues described as the go-to person because she was well-versed with the government agency’s operations, was walking with Ms Damaris Achieng’ when she complained of chest pain.

    That was at 5.30pm, when she asked Ms Achieng’ to call an ambulance, moments before she collapsed on the pavement outside an Optica outlet on Kaunda Street. She was bleeding from the nose and mouth, according to Ms Achieng’ and other witnesses who flocked the scene. They said she held her chest before collapsing.

    “We were walking side by side. She just stopped and asked me to call for her an ambulance then fell down,” Ms Achieng said. The ambulance arrived at 5:58pm but it was too late. Medics pronounced her dead at the scene.

    Nairobi Regional Police Commander Adamson Bungei explained that the bullet that hit Ms Waithera was fired by someone who was on top of one of the buildings. There are two high-rise buildings at the scene.

    Hamilton House, which houses two restaurants, Almandi Yemeni House and Dream Bean House, and several offices. Adjacent to it to the left is Eco Bank Towers.

    Based on the spot with blood stains, the detailed trajectory of the bullet as captured in the post-mortem report can point from which building the shot came from.

    Courtesy

    Author

    Milton Nyakundi

    Milton Nyakundi is a veteran multimedia journalist with over 20 years of experience across broadcast, digital, and print media, who relocated to the United States in 2022 and is now the Senior International Correspondent for Kurunzi News based in Washington, DC, USA. He has previously worked with the Kenya Broadcasting Corporation (KBC), among other high-profile roles with Kenya's first privately-owned media outlet - Kenya Television Network. His experience also include prominent roles as Media Consultant for Football Kenya Federation (FKF), and StarTimes Kenya. His career spans high‑stakes political reporting covering legislative and constitutional issues, elections, governance, and accountability across Kenya, Africa, and global arenas. He also boasts extensive sports journalism experience, covering local and international sports events, including leagues, tournaments and sports governance. He is well-known for his investigative depth, editorial leadership, and evidence-driven journalism that guides his consistent delivery of public‑interest storytelling across platforms.

    View all posts by Milton Nyakundi

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