[WATCH] A heated argument ensues between Adv. Tembeka Ngcukaitobi and the legal team for former apartheid security police intelligence officer Craig Williamson. Ngcukaitobi wants Williamson to give names of the people he was involved in killing. His legal team fears he may implicate himself before the inquiry probing the deaths of Fort Calata, Matthew Goniwe, Sparrow Mkhonto, and Sicelo Mhlauli.