Kampala septic tank murder: Onebe co-accused evidence on call data submitted in court

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The evidence relating to call records of businessman Francis Onebe’s co-accused has been submitted in court as an exhibit.

The call records are for a former security guard with Pentagon Security company , Bonny Oriekot. The company belonged to Onebe. The two individuals are accused of killing Immaculate Mary Blessing Aiso, Onebe’s wife.

The defence lawyers Joshua Emorut and David Oluka had objected to the tendering of the evidence in the court, arguing that the document was not authentic because there was no signature or name of the author.

However, Justice Andrew Khaukha, sitting in the Criminal Division of the High Court in Kampala, allowed the document (court order that allowed retrieval of the call data from MTN telecommunication company), to be tendered in court as a prosecution exhibit.

Maureen Asiimwe, a client relations officer with MTN Uganda, testified that the company received the court order from Makindye Chief Magistrate’s Court, requesting it to retrieve Oriekot’s call data on the number 0785263985 for the period December 1, 2020, to January 10, 2021.

Principal state attorney Joseph Kyomuhendo and chief state attorney Sharifah Nalwanga are representing the state. The trial resumes on Saturday, December 6, 2025.

The case

Onebe, an accountant by profession, is accused of killing his wife, Aiso, and later dumping her body in a septic tank at their matrimonial home in Munyonyo, a Kampala city suburb.

On January 6, 2021, Onebe reported a case of his missing wife to Buziga Police post, and investigations commenced. He claimed that his wife was picked up by plainclothes operatives travelling in a ‘drone’ and taken to an unknown destination.

A week later, her (Aiso’s) body was recovered from a septic tank at the couple’s residence by the joint security team headed by the Crime Investigation Department of the Police Force.

Police preliminary investigations reveal that Onebe and his wife Aiso parted ways, and after 14 years, reunited and formally married until her murder.

Following a Police probe, Onebe was arrested and charged with the murder of his wife before the Makindye Chief Magistrates Court and later committed to the High Court for trial after completion of investigations.

The offence of murder elicits a maximum sentence of death on conviction.

According to the court documents, Onebe and Aiso had a dispute over sorcery, resulting in the death of his wife [Aiso].