How does a local militia run by a former criminal become the world's most feared terrorist organization-a self-proclaimed state able to coordinate and inspire deadly attacks in cities and towns around the world? ISIS: Rise of Terror reveals the origins of the Islamic State, what they want to achieve, and how their shocking and violent tactics have redefined warfare in the 21st century. Focusing on fateful turning points in history, the documentary looks at America's 8-year war in Iraq through the lens of the U.S. policymakers, generals and intelligence officials who were there. They detail the missed opportunities that may have forestalled the rise of ISIS and track its evolving reign of terror through to the currently unfolding operations to roll back ISIS territory. Hear from attack survivors. And in an extraordinary interview, get a rare and unflinching first-hand look at life inside the Caliphate from an unrepentant ISIS fighter who justifies beheadings.

ISIS: Rise of Terror

Twenty years after the tragic 1997 death of Princess Diana in Paris, this ABC special provides new perspective on her final days. Host Martin Bashir, who revealingly interviewed Diana in 1995, takes viewers inside her final months and days. "The last 48 hours of her life, we tell that story in fairly careful detail. There are some phone calls that take place, there are some things that happen that I think are something of a revelation," Bashir said. The documentary also looks at the prior years of Diana's life.

The Last 100 Days of Diana

A gripping look at Putin's rise from humble beginnings to brutal dictatorship, and his emergence as one of the gravest threats to America's security.