Lester Kiewit speaks to David Africa, a former struggle activist and intelligence expert, about his gripping new book Lives on the Line. Africa takes us inside the high-stakes world of espionage, revealing how a small team of spies infiltrated and dismantled PAGAD, a group that evolved from an anti-gang movement into a violent terror network. He shares insights into the complexities of intelligence gathering, the political battles within state security forces, and the lasting lessons for global security.