A note on Mohapi and Another v The State, Gauteng Local Division (Johannesburg), 21 May 2026
In a judgment handed down on 21 May 2026, the Gauteng Local Division of the High Court (Dosio J, with Moosa J and Cox AJ concurring) confirmed an important principle for any litigator who deals with telecommunications evidence: cell phone records generated automatically by a service provider’s system can be admitted as real evidence, and may be admissible even where the State fails to call a service-provider witness to formally authenticate them. Reliability, integrity and the method of production must still be established through competent evidence but the absence of a Vodacom official in the witness box was not, on these facts, fatal to the prosecution.
Background
The matter arose from the kidnapping and murder of Mr Uwe Gemballa, who arrived in South Africa on 8 February 2010 and whose body was recovered from the Wesfort cemetery in the Atteridgeville area on 28 September 2010. The two appellants were convicted in the High Court in November 2015 of kidnapping, murder (read with the minimum-sentence provisions of section 51(1) of Act 105 of 1997) and theft, and were sentenced in March 2016 to an effective 25 years’ imprisonment. The Supreme Court of Appeal granted leave to appeal against both conviction and sentence.
Crucially, the State’s case rested entirely on circumstantial evidence, principally video footage and cellular records. There was no direct evidence linking the appellants to the offences, and both appellants closed their cases without testifying. That combination put the admissibility and weight of the cell phone evidence at the centre of the appeal.
The Issues on Appeal
Two narrow issues survived for determination. The first appellant denied that the implicated cell phone number belonged to him. The second appellant advanced the more far-reaching argument: that because the State had failed to authenticate the Vodacom data, the very first step toward admissibility, the records were inadmissible hearsay, and their exclusion would be dispositive of the case against both appellants.
During the trial, the State led the Vodacom data through the investigating officer, Lt. Col. Schnelle, and obtained its provisional admission on the express undertaking that a Vodacom witness, Mr Heyneke, would later be called to confirm the correctness of the data. Heyneke was never called. No section 212 or 213 affidavits under the Criminal Procedure Act 51 of 1977 were produced, and the State did not invoke section 15(4) of the Electronic Communications and Transactions Act 25 of 2002 (ECTA), which was available to it. The defence argued that this left a gap that could not be cured by inviting the defence to call the missing witness itself.
The Court’s Reasoning
1. No automatic right to cross-examine the service provider
Drawing on the Constitutional Court’s decision in Kapa v S, the Court reiterated that not every minor irregularity vitiates the right to a fair trial, and that the constitutional right to ‘challenge’ evidence under section 35(3)(i) is not a guaranteed right to cross-examine the original declarant. Where the interests of justice require admission, no constitutional right is infringed. The court a quo therefore retained a discretion to determine the evidentiary weight of the data.
2. A Vodacom witness is not an absolute requirement
The Court held that courts do not automatically require an employee of Vodacom, MTN or Cell C to testify, provided a competent person can explain how the data was obtained and why it is reliable. On the facts, that competence was amply demonstrated. Lt. Col. Schnelle had 25 years’ service and 20 years specialising in telecommunications investigations; Lt. Col. Neethling had 31 years’ service, specialised GSM training and experience across roughly 800 cell-tracking cases, and had obtained a judge’s interception authorisation; and Mr Budhia, a Vodacom radio engineer with a BSc Engineering degree and 17 years’ experience, spoke to the base-station coverage at OR Tambo. No expert evidence was led by either appellant to rebut them, and it was never put to any witness that the records had been tampered with.
3. Real evidence, not documentary hearsay
The decisive analytical move was the classification of the records as real evidence rather than documentary hearsay. Relying on Ex parte Rosch, S v Ndiki and Ndlovu v Minister of Correctional Services, the Court reasoned that data generated automatically by a computer, without human intervention, is not a ‘statement by a person’ and so falls outside the hearsay rule. As the older authority put it, such a printout ‘came about automatically and not as a result of any input of information by a human being’, leaving no room for dishonesty or human error. Its admissibility depends on the accuracy and reliability of the system, not on the credibility of any individual.
The Court distinguished S v Brown, on which the second appellant relied. In Brown, images on a cell phone were captured, selected, downloaded and enlarged by human hands, human intervention that warranted treating them as documentary evidence. By contrast, the Vodacom call data here was acquired via a section 205 warrant, sent directly to the investigating officer, and generated by a computer without human input. As one witness put it under oath, the data was computer-generated and he had no access to manipulate it.
4. The content was, in any event, not in dispute
The Court also recorded that the second appellant’s counsel had conceded that the actual content of the records was not in issue, and that during cross-examination the second appellant admitted the implicated number was his and that he had made the calls reflected. Facts admitted by a party or their counsel need not be proved, and unchallenged evidence may be accepted without more.
5. The consequences of silence
Both appellants elected not to testify. Citing S v Mthetwa, Osman v Attorney-General, Transvaal and Boesak v The State, the Court reaffirmed that, while an accused is under no obligation to testify, a failure to answer a prima facie case may strengthen the State’s case and entitle a court to conclude that the evidence is sufficient to prove guilt. Applying the cardinal rules of inference in R v Blom, the Court held that the coordinated cell phone movements of both appellants and a co-accused around OR Tambo International Airport and Edenvale on 8 February 2010 could not be coincidence, and that no inference other than guilt was reasonably open.
Outcome
The appeal against conviction was dismissed; given that finding, the Court saw no need to engage with the sentences. The convictions and the effective 25-year sentences stand.
Practical Takeaways
For prosecutors. A service-provider witness remains the cleanest route to admitting telecommunications data, and section 15(4) of ECTA provides a straightforward statutory mechanism. But where that witness is unavailable, the data may still be admitted as real evidence through a competent investigator who can credibly explain how the records were obtained (ideally under a section 205 warrant) and why they are reliable. Build that foundation deliberately.
For the defence. Generic objections that records are ‘unauthenticated hearsay’ will not succeed against automatically generated machine data. To make headway, the defence must put a genuine challenge to integrity, raising tampering, chain-of-custody gaps, or system error and, where appropriate, lead its own expert. Conceding content and then attacking admissibility is a losing combination, and silence in the face of a prima facie case carries real risk.
For all litigators. The documentary-versus-real-evidence line turns on one question: was there human intervention in creating the record? Automatically generated metadata (call records, tower data, system logs) tends toward real evidence; human-created content stored on a device (photographs, messages, edited files) tends toward documentary evidence. Identify which side of that line your evidence falls on before you frame your objection or your foundation.
Disclaimer: This article reflects the law as at the date of the judgment discussed and is intended for general information only. It is not a substitute for tailored legal advice on any particular matter.
