New CCTV Evidence Places Police Constable Isaiah Murangiri At Scene Of Rex Masai’s Fatal Shooting In Nairobi

CCTV and forensic photos presented in court place Constable Isaiah Murangiri at the scene of Rex Masai’s 2024 shooting despite his off-duty alibi.

By: AXL Media

Published: Mar 26, 2026, 4:46 AM EDT

Source: The information in this article was sourced from TUKO.co.ke

Forensic Breakthrough In High Profile Murder Case

The investigation into the death of Rex Masai reached a critical turning point on Wednesday as crime scene investigators submitted advanced forensic evidence to the court. Joshua Mutua, an official from the Independent Policing Oversight Authority, presented a detailed analysis consisting of 36 photographs and two distinct video clips. This new evidence aims to definitively identify the individual responsible for the fatal shooting that occurred during the Gen Z protests in 2024. The presentation provided a chronological reconstruction of the moments leading up to the discharge of the weapon in Nairobi’s Central Business District.

Identifying Marks And Physical Characteristics

During his testimony, Mutua described the suspect captured in the surveillance footage as a man of brown complexion, wearing a cap and a blue shirt while carrying a police communication device. A key point of the prosecution's argument rests on specific identifying features, including a visible birthmark and bracelets decorated with the colors of the Kenyan flag. These characteristics, according to investigators, match those of the man seen in various other recordings as he moved through the city to disperse protesters. The court was shown how these physical markers remain consistent across multiple sources of digital evidence.

Challenges To The Defense Alibi

The suspect identified by the prosecution, Police Constable Isaiah Murangiri, has consistently denied any involvement in the incident. Since his initial court appearance in July 2025, Murangiri has maintained that he was off duty and not present in the city center on the day Masai was killed. However, the prosecution has worked to dismantle this defense by introducing mobile signal data provided by Safaricom. This technical evidence allegedly places the officer’s device in the immediate vicinity of the crime scene, contradicting his earlier statements regarding his whereabouts during the civil unrest.