Isobel Yeung goes undercover in Guyana to investigate corruption in large-scale development projects, as the small South American country becomes an attractive target for investment from China; Alzo Slade meets with Moors in America to learn more about their origin story, heritage and ultimately, why the current social and political landscape is making Moorish Nationalism more appealing.

Isobel Yeung is in Afghanistan, exploring the Taliban's ban on drugs – and the issues with addiction; Vegas Tenold heads to the Midwest to see whether police officers can actually be trained to intervene in cases of police misconduct.