Streaming at 7/6c at pbs.org/frontline & in the PBS Video App www.facebook.com/frontline | Twitter: @frontlinepbs Instagram: @frontlinepbs | YouTube: youtube.com/frontline Over the past two decades, more than a half a million Eritreans have fled their home country in eastern Africa. They say they are escaping one of the most repressive and secretive dictatorships in the world. Now, with exclusive secret footage and testimony, an undercover investigation by FRONTLINE and Channel 4 in the UK documents shocking allegations of torture, arbitrary detention and indefinite forced conscription into military service. “I want people to know the truth. Until this day, it’s still hidden. We need to rip it open,” a guard who secretly filmed conditions in one of the country’s most notorious prisons says in