catherine t. macarthur foundation. and additional support from the park foundation, the ford foundation, the wyncote foundation and the frontline journalism fund. >> corporate funding for frontline is provided by: >> narrator: 70 years ago, in april 1945, camera crews with the british and american armies entered the nazi death camps and filmed the horror they found there. the edited film remained unfinished, with missing soundtracks-- stored for decades in the archives of the imperial war museum in london. the film's directors, including alfred hitchcock, had developed a script to go with the pictures. so in 1985 frontline reconstituted the as closely as possible to what we believe the producers intended they made it as a document to serve our collective memory. at least six million people died in nazi germany's system of camps. more than three million were jews. (militaristic music playing) >> trevor howard: in march 1933, 17,264,296 germans voted for the national socialist party. 20,680,000 others cast their vote for

catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional support is provided by the park foundation dedicated to heightening public awareness of critical issues. the ford foundation, working with visionaries on the front lines of social change worldwide. at fordfoundation.org. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. >> corporate funding for frontline is provided by >> whether it's discovering an aspirin a day can prevent heart attacks worldwide, or creating cells that regenerate new heart muscle, our goal is developing treatments that save lives. brigham and women's hospital. >> al ahmad: i came to yemen to try and understand what is driving the groups now fighting for control of the country. (gunshots) in particular, i wanted to meet the houthi rebels. the houthis had mobilized thousands of fighters, and by last fall they had begun pushing south from their northern stronghold close to the saudi border. yemen's gover

catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional support is provided by the park foundation dedicated to heightening public awareness of critical issues. the ford foundation, working with visionaries on the front lines of social change worldwide. at fordfoundation.org. the wyncote foundation. and by the frontline journalism fund, with major support from jon and jo ann hagler. and additional support from millicent bell through the millicent and eugene bell foundation. corporate funding for frontline is provided by... >> whether it's discovering an aspirin a day can prevent heart attacks worldwide, or creating cells that regenerate new heart muscle, our goal is developing treatments that save lives. brigham and women's hospital. >> sebastian rotella: it was july 2009. a man from america had come here to copenhagen on business. but first, some sightseeing. >> first of all, he rents a bike, an ordinary bicycle. and he has his video camera, and he rides with one hand on the handle

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information at macfound.org >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: there were new demands for change today after the videotaped killing of a black man by a white policeman in south carolina. north charleston officer michael slager fired eight times at walter scott, as he ran away. slager is now charged with murder, and the n.a.a.c.p. called today for a federal investigation of the entire police force. >> when an officer at 9:30 in the morning on a saturday, feels comfortable enough in open space to fire and execute another citizen, and then boldly tamper with the evidence, that tells you there's a culture here that it's all right. nobody prior to

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information at macfound.org >> and by the alfred p. sloan foundation. supporting science, technology and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: a sudden revelation today, three months after a u.s. attack killed two al-qaeda captives. the victims were humanitarian aid workers: american warren weinstein of maryland and giovanni lo porto of italy. >> ifill: presidential confirmation came this morning in the white house briefing room. >> it is a cruel and bitter truth that in the fog of war generally and our fight against terrorists specifically, mistakes, sometimes deadly mistakes, can occur. >> ifill: u.s. officials say the two hostages died in mid- january, when a drone fired missiles at a terrorist site inside pakistan. >> we

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world.information at macfound.org >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: a federal judge in philadelphia today approved the national football league's settlement of thousands of concussion lawsuits. it could cost $1 billion over 65 years, but the n.f.l. has dropped an earlier cap on total damages. an estimated 6,000 former players who develop alzheimer's or moderate dementia will get an average of $190,000 dollars each. the u.s. senate has passed legislation to help victims of sex trafficking, 99 to nothing. today's vote followed a lengthy dispute over abortion funding. the end to the impasse clears the way for a vote tomorrow on loretta lynch to be attorney general. italian naval vessels saved yet another group of migrants today in the mediterranean. nearly 450 people, including 59 children, were brought t

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world.formation at macfound.org >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: the european union charged google today with violating anti-monopoly laws. it's the latest move in a five- year legal battle and could lead to billions of dollars in fines. the e.u.'s competition commissioner said google uses its dominance over internet searches to promote its own services. >> our investigation so far has shown that when a consumer enters a shopping-related query in google's search engine, google's comparison shopping product is systematically displayed prominent at the top of the search results. >> woodruff: the e.u. also opened a separate probe into google's android mobile system. >> ifill: the u.s. capitol had a brief security scare today when a gyro-copter landed on the west lawn. the single-seat helicopter buzzed th

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world.information at macfound.org >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: baltimore was a portrait of contrasts today, 48 hours after riots catapulted the city into crisis. in some places, people returned to normal routines, while elsewhere, there were scenes that bordered on the bizarre. hari sreenivasan begins our coverage. >> sreenivasan: the presence of 3,000 police and national guardsmen, plus an overnight curfew, appeared to stabilize baltimore. by and large, crowds who gathered last night demonstrated without incident. >> i'm here to say that we can be peaceful, we still are upset, but we can be peaceful. >> go home tonight, that's all we're asking. >> sreenivasan: that's not to say the night was trouble-free. brief scuffles broke out when the 10:00 pm curfew rolled around, and police arrested 35 peop

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world.ation at macfound.org >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: after a day and half of deliberations, a federal jury convicted dzhokar tsarnaev on all 30 counts he was facing for the boston marathon bombing. a jury of seven women and five men convicted him on multiple charges that could be punishable by death, including deadly use of a weapon of mass destruction. the next phase of the trial will decide whether tsarnaev should be sentenced to death. the bombs that dzhokar then 19, set off with his now-dead older brother, tamerlan, killed three people and wounded more than 260 others nearly two years ago. after the verdict, karen brassard who was hurt in the attacks along with her family spoke for a group of survivors and family members. >> it's not something that will ever be over. you'll feel it forever. t

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information at macfound.org >> and by the alfred p. sloan foundation. supporting science, technology and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: lawmakers struck a bipartisan deal to let president obama fast-track negotiations on trade deals. it comes just as negotiations with 11 pacific nations are ramping up. under fast-track authority, congress could give any deal a yes or no vote, but it could not make any changes. the deal faces hurdles, many from within president obama's own party. every major labor union has vowed to fight it, but late today, the president issued a statement of support for the compromise. >> woodruff: al qaeda militants in yemen took over a major airport, seaport and oil terminal in the country's south

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world.information at macfound.org >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: the justice department announced today, that for the first time since the 1980 abscam scandal, it is indicting a sitting u.s. senator on federal bribery charges. for more on the action against new jersey democrat robert menendez, we turn to matt apuzzo of the new york times, who's been covering the story. matt, eight counts of bribery 22 cocounts in call. tell us a little bit about what you know from the indictment about what they're charging. >> it's a really big indictment, gwen. i'm actually about two-thirds the way through it and we all knew this was coming but it's a lot broader and a lot deep doper than i think a lot of us who have been following this closely expected. it basically describes senator menendez turning his capitol hill

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information at macfound.org >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: from lausanne, switzerland today, news of a nuclear deal. the united states and five other nations say they've achieved a political framework for a final agreement with iran. after a year and a half of negotiations and all nighters this week it came down to an afternoon of announcements, starting with e.u. foreign policy chief federica mogherini. mogherini. >> we gather here to find solutions to reaching comprehensive resolution that will ensure exclusively peaceful nature of iranian nuclear program and lifting all sanctions. today we have taken a decisive step. >> woodruff: among

catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information at macfound.org >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> ifill: baltimore police today finished their investigation into the death of freddie gray, the case that has roiled the city for days. officers arrested the 25-year- old gray on april 12 and hauled him into a police van. he died a week later after suffering severe spinal injuries. police commissioner anthony batts would not discuss the findings today. he said they've been turned over to prosecutors, and that the inquiry is not over. >> if new evidence is found, we will follow it. if new direction is given by the state's attorney we will obey it and we will follow through with the investigat