The president dealt with evidence relating to the state security agency and defended his decision to take charge of the Ministry of State Security.
Mr Zuma denies aiding and abetting the plunder of state funds and has so far not cooperated.
“Commanders and commissars, our glorious army of uMkhonto weSizwe, amaformations wonke, ANC from national, provincial, regions, and zonal levels,” the unknown man is heard saying.
The ANC president took a hard line during his closing address following the chaotic national executive committee meeting.
Mr Dukwana has often claimed that he was removed from his position for his tough stance on corruption, a claim rejected by many of Mr Magashule’s supporters.
The group known as Radical Economic Transformation forces have, also, questioned the independence of the country’s judiciary.
Should the Constitutional Court find Mr. Zuma’s behavior does not warrant punishment, it may encourage other witnesses to defy the corruption inquiry and undermine its purpose.