CAPE TOWN – A sworn affidavit filed by Economic Freedom Fighters (EFF) Member of Parliament, Leigh-Ann Mathys, has ignited a constitutional and legal firestorm, accusing controvertial forensic investigator Paul O’Sullivan of criminal conduct for walking out of a parliamentary hearing while under oath.
The allegations strike at the core of legislative oversight and accountability.
The affidavit, now before the Ad Hoc Committee established to investigate allegations made by KwaZulu Natal Lieutenant General Nhlanhla Mkhwanazi concerning corruption and political interference in the South African Police Service (SAPS), details a series of alleged violations by O’Sullivan during his testimony on February 26, 2026.
According to the document, O’Sullivan, after initially engaging with the committee, declared he was “no longer willing to answer questions,” stood up, packed his belongings, and exited the meeting despite direct objections from committee members.
Mathys contends this act constituted clear contravention of the Powers, Privileges and Immunities of Parliament and Provincial Legislatures Act.
Specific alleged offences cited in the affidavit include:
Failing to fully and satisfactorily answer questions while under oath.
Threatening or obstructing a person in respect of evidence to be given before Parliament.
Undermining the authority, dignity, and integrity of Parliament.
“This pattern of disregard is not merely disrespectful; it strikes at the very heart of our democratic system of oversight,” a source close to the committee, who spoke on condition of anonymity, stated. “When witnesses can unilaterally decide to end lawful proceedings, it paralyses Parliament’s ability to uncover truth and ensure accountability.”
The controversy took a dramatic financial turn during subsequent committee discussions.
MK Party MP Sibonelo Nomvalo revealed that, based on reliable information, O’Sullivan had claimed approximately R90,000 from Parliament for accommodation at a “six-star hotel” for a prior appearance before the same committee.
“We have never had a witness booking in a six-star hotel. That money must not be given to him,” Nomvalo asserted forcefully. “The manner in which O’Sullivan left the house warrants strong action. O’Sullivan must come back to the committee.”
O’Sullivan, known for his high-profile anti-corruption investigations, has not yet issued a public statement regarding the affidavit or the allegations about parliamentary expenses.
His return to the committee, as demanded by MPs, appears to be the next pivotal moment in this escalating standoff between a key witness and South Africa’s highest legislative body.
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