Two of the most notorious Islamic State militants were charged in a Virginia federal courtroom Wednesday with crimes stemming from the kidnapping and killing of four Americans in Syria. It’s the next step in the pursuit of justice for a case that began with unspeakable horrors. Nick Schifrin reports and talks to John Demers, assistant attorney general for national security, about its significance. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: / newshour Instagram: / newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe