In the crime-infested streets of Githurai, former Police Constable Titus Kamau was a name that struck fear into the hearts of suspected criminals. Known popularly as Katitu, he had earned a reputation as an uncompromising officer who, according to accounts of his activities, was feared by those he suspected of engaging in crime.
But in a dramatic twist, the man associated with hunting down suspected criminals found himself on the wrong side of the law.
The same criminal justice system he had served eventually caught up with him after the fatal shooting of a 27-year-old local footballer, Kenneth Kimani Mwangi, at the Githurai roundabout.
Katitu was subsequently convicted of misuse of a firearm resulting in death and sentenced to 15 years in prison by Justice James Wakiaga.
His downfall carries a chilling message to police officers who may believe that aggressively eliminating suspected criminals will earn them permanent protection from their superiors or the government.
The lesson is simple: when the bullets stop flying and an investigation begins, an officer who believed he enjoyed institutional protection may find himself standing alone before the law.
FROM GITHURAI'S FEARED OFFICER TO A PRISONER
In Githurai, Katitu was reportedly known for his uncompromising approach to people he suspected of criminal activity.
The nickname became associated with a policing style in which suspicion could have devastating consequences for those who attracted an officer's attention.
But the critical question in any such encounter is whether the officer has lawful grounds to use force, particularly lethal force.
A person suspected of committing a crime remains entitled to the protection of the law. Suspicion is not proof of guilt, and a police officer cannot lawfully substitute personal judgment for the judicial process.
That distinction became central to the tragedy involving Mwangi.
Katitu reportedly encountered the young footballer and claimed that he was a wanted criminal. The encounter ended with Mwangi being shot dead at the Githurai roundabout.
A young man's life was lost, and an officer entrusted with protecting the public became the subject of a criminal investigation.
The case would eventually demonstrate the importance of forensic evidence in establishing what happened when a police firearm was used in a fatal shooting.
THE CARTRIDGE, THE FIREARM, AND THE FORENSIC BREAKTHROUGH
The circumstances surrounding Mwangi's death raised serious questions about the handling of evidence and the cooperation of police officers with investigators.
Accounts of the case alleged that the cartridge associated with the fatal shooting was concealed and that police officers did not cooperate fully with the investigation.
Such allegations, if established, would represent a grave threat to the administration of justice. Evidence from a shooting scene must be preserved, documented, and subjected to independent forensic examination.
In Katitu's case, the court ordered ballistic testing of the firearm issued to him.
The results linked the fatal bullet to Katitu's service weapon, establishing a crucial forensic connection between the firearm and the death under investigation.
This was a decisive reminder that criminal investigations cannot depend exclusively on an officer's account of events or the assurances of colleagues.
Physical evidence matters. Ballistic examination can help establish whether a bullet was fired from a particular weapon, while a properly documented chain of custody helps ensure that the evidence remains reliable.
The case also illustrates why police officers must never be allowed to control or compromise investigations into their own conduct.
When a civilian dies in a police shooting, the investigation must establish the facts, preserve evidence, and determine whether the use of force was lawful.
The uniform cannot replace forensic proof, and institutional loyalty cannot override the demands of justice.
JUSTICE WAKIAGA'S VERDICT: FIFTEEN YEARS IN PRISON
The case culminated in a conviction that transformed Katitu's public image from that of a feared crime fighter into that of a convicted police officer.
Justice James Wakiaga found him guilty of misuse of a firearm resulting in death and sentenced him to 15 years' imprisonment.
The sentence carried a message that should resonate throughout the National Police Service: the authority to carry a firearm comes with legal obligations, and the misuse of that authority can have devastating consequences.
No officer should assume that a reputation for confronting criminals places him above the law.
Neither should officers believe that their superiors can indefinitely shield them from accountability when a civilian is killed.
The law must apply equally to the person who commits a crime and the person entrusted with investigating it.
MURKOMEN'S REMARKS AND THE QUESTION OF POLICE ACCOUNTABILITY
Katitu's case also brings into focus the broader national debate over police killings and the political messages surrounding the use of lethal force.
Former Interior Cabinet Secretary Kipchumba Murkomen attracted public attention over remarks concerning police officers and the use of force. Claims that he explicitly authorized officers to kill civilians or that police would refuse to cooperate with courts and the Independent Policing Oversight Authority (IPOA) require verification against the original recordings or official transcripts.
Nevertheless, the underlying concern deserves serious attention.
If police officers interpret political statements as permission to use unlawful lethal force, the consequences can be disastrous. If they believe that their colleagues or institutions will obstruct investigations whenever a civilian dies, public confidence in the police service will deteriorate.
Kenya's policing framework does not give officers a blanket license to kill. The use of firearms is subject to legal requirements, and allegations of unlawful killings must be investigated through the appropriate accountability mechanisms.
IPOA exists to provide independent oversight of policing, including investigating deaths and serious injuries associated with police actions.
The National Police Service also has a responsibility to ensure that officers comply with the law and cooperate with lawful investigations.
A government that expects its police officers to enforce the law must also ensure that those officers are held accountable when credible evidence indicates that they have violated it.
THE DANGEROUS ILLUSION OF GOVERNMENT PROTECTION
Katitu's story offers a warning to officers who may be tempted to believe that aggressive enforcement, unquestioning obedience, or the killing of suspected criminals will earn them permanent protection.
The danger lies in confusing operational support with immunity from criminal responsibility.
A police officer may work under orders, receive a service firearm, and operate within a command structure. But none of those circumstances automatically excuses an unlawful act.
An officer who kills a civilian must be able to account for the circumstances in which lethal force was used.
Was there an immediate threat to life? Was the force necessary and proportionate? What evidence supports the officer's account? Were witnesses interviewed? Was the firearm examined independently? Was the scene properly documented?
These are the questions that a credible investigation must answer.
Officers who rely on informal promises that a shooting will be covered up or that investigators will not pursue the case expose themselves to grave personal and legal risks.
When an investigation progresses, evidence may contradict the initial account. A forensic report may connect a service weapon to a fatal bullet. Witnesses may come forward. A court may ultimately determine that the officer acted unlawfully.
At that point, assurances from colleagues or superiors cannot substitute for a legal defense.
The uniform belongs to the institution, but criminal responsibility rests with the individual whose actions violate the law.
A WARNING TO POLICE OFFICERS ACROSS KENYA
The message from Katitu's case extends beyond Githurai.
Police officers confront genuine dangers, including armed criminals, violent suspects, and situations in which split-second decisions can determine whether people live or die.
They deserve appropriate training, adequate equipment, clear operational guidance, and institutional support when they act lawfully.
But protecting officers who perform their duties within the law is fundamentally different from shielding those who unlawfully take lives.
A police service that tolerates extrajudicial killings risks losing the trust of the very communities it is supposed to protect.
Equally, a system that obstructs independent investigations sends a dangerous message that some lives matter less than the reputation of an institution.
The proper response to suspected crime is investigation, lawful arrest, prosecution, and adjudication by the courts.
The police cannot be permitted to become investigators, prosecutors, judges, and executioners.
THE FINAL LESSON: THE LAW MUST HAVE THE LAST WORD
For Kenneth Kimani Mwangi's family, the case concerned the death of a 27-year-old man whose life ended in a shooting involving a police officer.
For Githurai residents, it raised difficult questions about the limits of police power and the mechanisms available to hold officers accountable.
For serving police officers, Katitu's 15-year prison sentence should be a reminder that a reputation for toughness offers no immunity from the law.
The lesson is not that police officers should fear performing their duties. It is that they must understand the limits of their authority and refuse to confuse the power to arrest with the power to kill.
They must preserve evidence, cooperate with independent investigations, and resist any instruction that would require them to violate the law.
Above all, they must never assume that a promise of protection will survive the scrutiny of forensic evidence and a court of law.
Katitu's story is a warning against the illusion of impunity: today an officer may be celebrated for hunting suspected criminals; tomorrow, if the evidence establishes unlawful conduct, he may find himself answering for his own actions before a judge.
The ultimate test of policing is not how many suspects an officer can shoot. It is how faithfully that officer protects the public while upholding the law.
In the end, the uniform may command authority, but it is the law that must have the final word.
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