The Daily

The New York Times has introduced a documentary audio series that follows Rukmini Callimachi, who covers terrorism for The Times, on her quest to understand ISIS. Today, as a special episode of “The Daily,” we offer Chapter 8 of “Caliphate,” in which Rukmini finds a trove of secret documents that lead her to the mother of an ISIS official. For more information about the series, visit nytimes.com/caliphate. This episode includes disturbing language and scenes of graphic violence.

The relatives of a Baltimore teenager think they know the name of the police officer who killed him. But when the police show his mother the surveillance video that captured his final moments, a new story emerges. For more information on today’s episode, visit nytimes.com/thedaily. This episode includes disturbing language and scenes of graphic violence.

As the Baltimore Police Department tried to repair its public image, a corruption trial exposed the startling depths of misconduct and delivered a fresh blow to the community’s trust. An elite group of officers — part of a task force created during the peak of zero-tolerance policing — had been stealing from residents for years. For more information on today’s episode, visit nytimes.com/thedaily. This episode includes disturbing language and scenes of graphic violence.

Nook spent the first few years of his life in an affluent suburb, a world away from the streets of Baltimore. But the city drew him back, and he and his friends became part of a generation caught between the crack epidemic that consumed their neighborhoods and the aggressive police tactics meant to fix the problem. For more information on today’s episode, visit nytimes.com/thedaily. This episode includes disturbing language and scenes of graphic violence.

Relations between the police and the community in Baltimore weren’t always so troubled. But as job loss and drugs tore through the city, the policing idea of so-called zero tolerance, transplanted from New York City, created a generation of young men with criminal records. For more information on today’s episode, visit nytimes.com/thedaily. This episode includes disturbing language and scenes of graphic violence.

“The Daily” presents a five-part series about the life and death of a Baltimore teenager known as Nook, who was fatally shot by a police officer a year after the killing of Freddie Gray. Nook’s family is searching for truth from the streets where he died, the police who took his life and the city that won’t give them answers. For more information on today’s episode, visit nytimes.com/thedaily. This episode includes disturbing language and scenes of graphic violence.

The New York Times has introduced a documentary audio series that follows Rukmini Callimachi, who covers terrorism for The Times, on her quest to understand ISIS. Today, as a special episode of “The Daily,” we offer Chapter 7 of “Caliphate,” in which Rukmini examines what ISIS left behind as their hold on Mosul crumbled. For more information about the series, visit nytimes.com/caliphate. This episode includes disturbing language and scenes of graphic violence.

Alarm over the election of Donald Trump spurred dozens of first-time candidates to run for Congress. Some of those candidates now present a problem for the Democratic Party. Guests: Mai Khanh Tran, a Democratic candidate running for the United States House in California; Alexander Burns, who covers national politics for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.

The United States government lost track of nearly 1,500 undocumented children in the last three months of 2017, giving rise to claims that they had been separated from their families at the border. What does the confusion reveal about President Trump’s approach to immigration? Guest: Caitlin Dickerson, a national immigration reporter for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.

The sole survivor of an attack in which four people were murdered identified the perpetrators as three white men. The police ignored suspects who fit the description and arrested a young black man instead. He is now awaiting execution. Guests: Kevin Cooper, who has been on death row at San Quentin State Prison in California for three decades; Nicholas Kristof, a New York Times columnist who has written about Mr. Cooper’s case. For more information on today’s episode, visit nytimes.com/thedaily.