14 March 2021 - 00:00 Deputy chief justice Raymond Zondo needs to solve a Gupta Four puzzle to complete his inquiry into state capture and the Indian family's role in its collaboration with state companies. Three of the four alleged collaborators appeared at the Zondo commission this week: former Eskom and Transnet CEO Brian Molefe, ex-Eskom and Transnet CFO Anoj Singh and Molefe's successor at Transnet Siyabonga Gama... This article is reserved for Sunday Times subscribers. A subscription gives you full digital access to all Sunday Times content. Already subscribed? Simply sign in below. Registered on the BusinessLIVE, Business Day or Financial Mail websites? Sign in with the same details.