CAPE TOWN - Crime intelligence boss Dumisani Khumalo will appear before Parliament's Ad Hoc Committee on Thursday to give evidence.
Khumalo headed the Political Killings Task Team in KwaZulu-Natal.
He made several allegations when he appeared before the Madlanga Commission last year.
Khumalo linked high-ranking officers to alleged cartel members.
The committee, investigating allegations of corruption and interference in the criminal justice system is working on borrowed time, having been granted an extension until next month.