Could humans ever trust machines with the power to make life or death decisions on the battlefield? And have we already begun to? Advances in artificial intelligence are slowly creeping into almost every aspect of the world, including warfare. Suzanne Kianpour explores the technology, fears and even potential advantages of developing autonomous weapons. Producers: Nathan Gower and Viv Jones (Mock-up of the IAI Harop Drone, a loitering munition. Credit: Aviation-images.com/Getty Images)