The High Court in Nairobi has convicted former Kenya Defence Forces (KDF) Major Peter Mugure Mwaura for the 2019 murder of his wife, Joyce Syombua, 31, and their two children, Shanice Maua, 10, and Prince Michael, 5, bringing to a close one of Kenya’s most disturbing family murder cases.
Delivering the judgment at the Milimani High Court on Friday, Justice Martin Muya found the prosecution had proved beyond reasonable doubt that the former officer lured his family to the Nanyuki Airbase, where he killed them before enlisting the help of a fellow soldier to dispose of their bodies in a shallow grave.
The judge said the evidence presented during the trial established that Mugure meticulously planned the killings and attempted to conceal the crime by burying the bodies at Thigithu in Nanyuki.
A key prosecution witness, Collins Pamba, a fellow KDF officer attached to the same airbase, testified that Mugure called him to his house and asked for assistance in disposing of the bodies. According to Pamba, he found Joyce Syombua’s body inside a transparent body bag while the bodies of the two children had been placed in a bathtub.
The court heard that Mugure instructed him to help load the bodies into the boot of his vehicle. The two men tied the body bags with ropes to make them fit into the car before driving out of the airbase without raising suspicion. They later dumped the bodies in a shallow grave and covered them with soil.
Justice Muya observed that although Pamba was an accomplice after the fact, he entered into a plea bargain agreement with the prosecution, pleaded guilty to a lesser offence and was sentenced to five years’ imprisonment. His testimony was found to be credible and was corroborated by other evidence. The court further heard that investigations established Mugure was the last person seen with his wife and children.
Evidence showed that on October 26, 2019, he left the Nanyuki Airbase with Joyce Syombua and the children and had lunch at Kilimara Springs Hotel before returning to the military base later that day.
The judge noted that while the accused admitted taking his family out, he claimed that he had handed ovdr the children to one of Joyce’s friends whose identity he allegedly did not know. Justice Muya rejected that explanation, observing that the children’s bodies were eventually recovered from his residence before being transported to the burial site.
Forensic evidence also played a crucial role in the conviction. DNA analysis conducted by the Government Chemist confirmed that the remains recovered from the shallow grave belonged to Joyce Syombua and the two children. The tests further established with a 99.9 per cent probability that Mugure was the biological father of the children. The judge said the DNA evidence completely discredited the accused’s attempt to deny having any relationship with Joyce Syombua.
An autopsy conducted by Chief Government Pathologist Dr. Johansen Oduor revealed that Joyce died from severe blunt force trauma while both children were strangled to death.
The court found that the murders were premeditated.
Justice Muya noted that Mugure had visited the Thigithu area three days before the killings together with a fellow officer. Records from a sewerage company visited that day were produced in court, confirming the trip. The judge concluded that the visit demonstrated Mugure had identified a secluded location where he intended to bury the bodies long before committing the murders.
“Evidence shows that the accused murdered his wife and two children, stacked their bodies in body bags and hid them in the boot of his car before burying them at Thigithu. He had visited the area before… This goes to show that the accused had hatched the plot to murder the deceased persons by ensuring he had a hidden secure place to bury the bodies even before killing them,” Justice Muya ruled.
The court also found that Mugure had a motive to commit the murders.
Evidence showed that Joyce Syombua had successfully sued him for child maintenance and had obtained a court order requiring him to pay KSh25,000 every month for the upkeep of the children.
The prosecution told the court that Mugure made only one payment before persuading Joyce to visit him at the Nanyuki Airbase with the children in October 25, 2019.
Justice Muya held that after arriving at the military base on October 25, 2019, the three never left alive.
“It is the accused who lured the three deceased persons to his place of work. They spent the night in his house, food was served to them, and their bodies were later seen being loaded into the accused’s vehicle. The spare tyre had been removed to create space for the bodies. There is both direct and circumstantial evidence, and I find no reason to fault the prosecution’s case,” the judge said.
The court ruled that Mugure had exclusive custody and control of his wife and children while they were at the airbase and was responsible for facilitating their departure.
Instead, the evidence showed he murdered them before secretly burying their bodies.
Justice Muya ultimately found that the prosecution had proved all three counts of murder beyond reasonable doubt and convicted the former KDF officer.
Joyce Syombua and her two children disappeared in October 26, 2019 after travelling from Nairobi to visit Major Peter Mugure Mwaura at the Kenya Air Force Base in Nanyuki. Weeks later, their decomposing bodies were discovered in a shallow grave at Thigithu following investigations by detectives.
The case attracted national attention because of the gruesome nature of the killings and allegations that a serving KDF officer had enlisted a colleague to help conceal the crime. During the lengthy trial, prosecutors relied on witness testimony, forensic evidence, mobile phone data and DNA analysis to reconstruct the family’s final movements and link Mugure to the murders.
Friday’s conviction marks the end of nearly seven years of legal proceedings, with the court finding that the murders had been carefully planned and executed before the accused attempted to conceal the evidence by burying the victims in a shallow grave.
