Uganda: Anthony Natif Notes From Court - Uganda Vs Molly Katanga and Others July 16/2026
A British DNA expert testified in the Molly Katanga case, challenging the reliability of police DNA evidence and its ability to determine who fired the fatal shot.
Intelligence analysis by Gemini 2.5 Flash Lite
The defense in the Molly Katanga murder trial has presented a British DNA expert who disputes the prosecution's key DNA evidence, arguing it's contaminated and inconclusive regarding who fired the weapon.
Imagine a detective found a toy gun and took a sample of fingerprints from it. But a special scientist says the detective might have smudged the fingerprints or used a dirty cloth, making it hard to know who really touched the gun. The scientist thinks the detective's test isn't trustworthy.
Analysis
Contested DNA Evidence
The trial of Molly Katanga, accused in the death of her husband, has reached a critical juncture with the presentation of expert testimony challenging the prosecution's cornerstone evidence: DNA found on the firearm. The state, represented by Andrew Kizimula Mubiru of the Uganda Police, initially presented DNA findings indicating Mrs. Katanga's DNA was dominant on the pistol's magazine, trigger, and trigger housing. This evidence was instrumental in the court's decision to put Mrs. Katanga on her defense, suggesting a strong link to the weapon used in the alleged crime.
Expert Scrutiny and Contamination Concerns
However, a defense witness, a British DNA forensics expert with three decades of experience, has urged the court to disregard this evidence entirely. The expert contends that the DNA analysis process was flawed, potentially leading to contamination. A key point of contention during cross-examination was the state's method of swabbing. The expert argued that a subsequent swab of a part of the gun that had already been swabbed would yield negligible DNA if the initial swabbing was thorough, questioning the validity of the state's findings. This challenges the very foundation of the prosecution's case, which relies heavily on the dominance of Mrs. Katanga's DNA on the weapon.
Procedural Irregularities and Doubt
Further complicating matters are procedural questions raised about the handling of the evidence. Mubiru's testimony revealed that he used up the original swab and produced no physical proof of his actions, relying solely on his word. The defense has also highlighted a past case where Mubiru was found to have tested a sample that was never received, raising concerns about his past practices. Additionally, the Scene of Crime Officer's testimony indicated he had also swabbed the trigger before sending the gun to the lab, creating ambiguity about why the state did not utilize this potentially more reliable sample and why Mubiru swabbed two distinct parts as if they were one. The defense suggests the gun might not have been swabbed by Mubiru at all. The expert also noted that given the gun was recovered from the couple's bed, it was expected to have both their DNA, making it impossible to determine the sequence of deposition.
Key points
- A British DNA expert testified in the Molly Katanga case, challenging the prosecution's DNA evidence.
- The expert argued the DNA evidence is unreliable due to contamination and flawed swabbing procedures.
- Questions were raised about the police's handling of the DNA evidence, including the use of a single swab for multiple parts and lack of physical proof.
- The defense suggested the gun might have been swabbed by the Scene of Crime Officer, not the state's primary witness.
- The expert stated that DNA evidence alone cannot definitively prove who fired the weapon.
If the defense's arguments about DNA contamination and procedural errors are accepted, it could lead to the exclusion of key evidence, potentially resulting in an acquittal for Mrs. Katanga. This would underscore the importance of rigorous forensic standards in Uganda's justice system.
Conversely, if the court sides with the prosecution and deems the DNA evidence reliable, it could strengthen the case against Mrs. Katanga, leading to a conviction. This would also imply that the defense's expert testimony was insufficient to create reasonable doubt.
