By Yiep Joseph
A digital forensic expert has further clarified his qualifications in handling the high-profile case involving suspended First Vice President Riek Machar Teny and other co-accused
During the 70th court session, Ratlhogo Peter Calvin elaborated on his professional background under re-examination by the prosecution.
The South African expert stated that his credentials and experience qualify him to manage complex and sensitive investigations of this nature.
In earlier cross-examination sessions, Calvin told the court that he holds an advanced diploma in cybersecurity, which he completed in eight months due to prior experience equivalent to two to three years of study for less experienced candidates.
He also noted that he obtained several additional certificates over short periods of weeks, as well as a Master of Business Administration (MBA), with a focus on risk management.
During the latest session, he added that he also holds a National Diploma in Policing, which he completed over two years in South Africa.
Addressing his professional experience, Calvin stated that he has worked on numerous cases in his home country, including investigations involving murder and financial crimes.
The defense team had previously rejected the expert’s report, questioning both its credibility and the qualifications of the analyst who prepared it.
Lawyers representing the accused argued that the findings were insufficiently verified and raised concerns about the methods used in extracting and interpreting digital evidence.
Despite these objections, the prosecution maintained confidence in the report, insisting it forms a critical part of the case.
The expert reiterated that the accused individuals engaged in secretive communications, citing deleted messages and WhatsApp call records as part of the evidence presented.
After several hours of re-examination, the presiding judge, Dr. James Alala Deng, adjourned proceedings until Friday, April 24, 2026.
The next session is expected to continue examining the digital forensic expert’s testimony by the judges.
Dr. Machar and his SPLA-IO co-accused face charges including murder, conspiracy, terrorism, treason, destruction of public property, and crimes against humanity over the March 2025 attack on the SSPDF garrison in Nasir.
Prosecutors allege SPLA-IO forces, allied with the White Army, killed 257 soldiers, including commander David Majur Dak, and destroyed or seized military equipment worth about $58 million.