/ 8 December 2025

Killing of Witness D casts doubt on state’s ability to protect those testifying at Madlanga commission

Crime Scene Shooting
The assassination of a witness at the end of the second phase of the Madlanga commission’s inquiry has cast doubt on the state’s ability to protect those who come forward to hold powerful people accountable.

The assassination of a witness at the end of the second phase of the Madlanga commission’s inquiry — during which those implicated in corruption in the criminal justice system responded to the allegations against them — has cast doubt on the state’s ability to protect those who come forward to hold powerful people accountable.

The co-chairs of the National Joint Operational and Intelligence Structure (Natjoints) — comprising the South African Police Service, the South African National Defence Force and the State Security Agency — on Monday met officials from the Madlanga commission over the killing of Witness D, identified as Marius van der Merwe, who was shot dead at his home in Brakpan on Friday. 

“While extensive measures have been put in place to secure witnesses and officials since the start of the commission, the meeting identified a need to heighten these measures by roping in the Natjoints and all other relevant role players,” a statement said.

Witness D had testified at the Madlanga commission about the extrajudicial killing of a robbery suspect and implicated suspended Ekurhuleni Metropolitan Police Department (EMPD) deputy chief Julius Mkhwanazi.

Mkhwanazi himself appeared before the commission last week to defend his involvement in the blue-lights saga in which murder-accused Vusimusi “Cat” Matlala’s security company, CAT VIP Protection, was fitted with lights usually reserved for law enforcement. 

Mkhwanazi had indicated during his testimony that he was aware of Witness D’s identity, prompting the commissioners to urge him not to reveal the name.

In a media briefing at the weekend, Justice and Constitutional Development Minister Mmamoloko Kubayi said Van der Merwe had declined witness protection because he believed he did not need it and because he ran his own security company.

As a result of the assassination, the department saw a need to review how witnesses testified before the Madlanga commission to ensure its work was not compromised, Kubayi said.

“Initially, the commission had intended to do certain testimonies in camera. They changed this approach after being threatened with litigation. We want to appeal that the commission revisit this and reconsider the strategy so that there is no threat to witness safety,” she said.

“I say this because we were concerned that the public and the media were able to identify Mr van der Merwe as Witness D.”

Kubayi said neither she nor the commissioners knew the identity of Witness D. 

“Only those who worked directly to obtain the statement knew. This worries us greatly and is why we say there is a need to review how this is happening.”

Madlanga spokesperson Jeremy Michaels said the commission noted the killing of Van der Merwe “with profound sadness”.

“The commission would like to acknowledge Mr van der Merwe’s contribution towards uncovering serious allegations of criminality and corruption in the Ekurhuleni Metropolitan Municipality and Ekurhuleni Metropolitan Police Department,” Michaels said.

He said the commission was working toward delivering its interim report to President Cyril Ramaphosa by 17 December.

Speaking to the media at the 40th anniversary of labour federation Cosatu, Ramaphosa condemned the killing of Van der Merwe and called for a speedy investigation.

“It’s not acceptable that witnesses who are unravelling things and coming out with the truth that has been happening, the rot that has been prevalent in our security cluster, are now, as they tell the truth, getting killed themselves. This is going to deter many other witnesses from coming forward,” he said.

Ramaphosa said the Madlanga commission must intensify its focus on witness protection and that the protection programme “must now be taken to a higher level”.

“I’ve said to the minister [Kubayi] they must make sure the investigation is thorough, they must leave no stone unturned until we find the perpetrators of this heinous crime,” he said.

“We are touching a nerve through the Madlanga commission, and these are people who become brazen, but we are going to come after them because the truth that is being revealed is going to lead after them.”