The process behind The New York Times editorial board's endorsement of a presidential candidate every four years is revealed to the public.

A 16-year-old girl is the youngest person to receive an experimental treatment that could be the first genetic cure for a common disease; if it works, millions of people around the world could benefit.

Investigating who pays the bill and who reaps the profits when the medicine a family needs to survive costs $1.5 million a year.

Law enforcement interviews with Navy SEAL Eddie Gallagher's fellow SEALs shed new light on the war-crimes case that created a clash between the Navy and President Trump.

The story of former White House counsel Donald McGahn, one of the most influential people in the Trump administration.

Rudy Giuliani becomes a national hero after the events of 9/11, but his back-channel work in Ukraine helps spark an impeachment process that may forever tarnish both him and his client, President Trump.

A mysterious man emerged with the explosive claim that he had thousands of hours of surveillance footage from Jeffrey Epstein's mansions that showed some of the most powerful men in America having sex; then his story took a turn.

Going inside the race to create the first perfect deepfake: an ultrarealistic fake video that could permanently undermine the ability to trust what one sees and hears.

When Mexican forces come to arrest the son of the notorious drug lord, "El Chapo", it is the spark that ignites all-out war on the streets of Culiacán; investigating how the Sinaloa Drug Cartel took on the Mexican army, and won.

Investigating the culture of sexualized yoga, unwelcome adjustments and outright assault in one of the most accessible, affordable forms of group fitness in America.

An investigation into whether police breathalyzers are fundamentally flawed, and if they even work.

Student activists demand change in New York's school system, one of the most segregated in the country; a new schools chancellor hopes to deliver equal opportunities for all.

Johnson & Johnson publicly insists that its baby powder is safe, but asbestos is a concern inside the company for years.

An investigation into an overlooked moment when top U.S. law enforcement officials had an opportunity to take on the drugmaker that was planting the seeds for the opioid crisis, but instead chose a less aggressive path.

The lives of an idealistic American couple bicycling around the world and a group of young men radicalized by ISIS tragically intersect on a remote mountain pass.

The untold story of baby Constantin, who spends most of his first 10 months of life separated from his parents by the U.S. government.

A look at the similarities between Russia's meddling tactics in the 2016 U.S. election and Estonia a decade before.

An investigation into Apple's supply chain uncovers how the gold in iPhones might trace back to violent paramilitary groups that extort, and sometimes kill, Colombian miners.

Examining YouTube's influence over Brazil's election process and the control that the social media outlet could have on other aspects of a country's trajectory.

A circle of young activists pushes the Democratic Party further to the left as its presidential candidates vie to unseat President Trump.

A tragic story about Facebook scammers who pose as American servicemen and prey on vulnerable women; the tech company that does little to stop it.

The hourlong broadcast includes insightful interviews with notable figures from the worlds of news, politics and entertainment, hosted by David Muir and Amy Robach. A revolving team of journalists from ABC News also contribute investigative stories.

Baby boomers -- people born between 1946 and 1964 -- make up a significant portion of the American population, offering a large potential audience for "50PlusPrime," a newsmagazine that caters to that demographic. The weekly series tells stories of boomers who make a difference in their communities, in addition to reporting on other topics of interest to people who are part of the generation. Journalist Tony Fama serves as host of the show, which covers such topics as hobbies, lifestyles, nutrition, the environment and careers.

Longtime CBS Sunday night staple "60 Minutes" has become synonymous with investigative journalism since its 1968 debut and has spawned genre-specific variations on a number of cable networks, most of which feature repackaged versions of previously aired "60 Minutes" reports. This monthly, sports-focused version on CBS corporate sibling Showtime bucks the repackaging trend by featuring original reporting from veteran journalists, including lead correspondent Sharyn Alfonsi, longtime sports journalist Armen Keteyian and "60 Minutes" correspondents Anderson Cooper, Lara Logan and Scott Pelley. In addition to original segments, which range in content from investigative reports to interviews and profiles of sports figures, episodes feature updated classic sports stories from the "60 Minutes" archive.

"Dateline NBC" has been a staple of the peacock network's schedule since premiering in 1992, with the investigative newsmagazine covering various topics, usually involving criminal investigations. "Dateline Extra" brings past episodes of the long-running show to MSNBC, with Tamron Hall hosting updated segments within the episodes. Mysterious disappearances and murders are among the most-frequent subjects of the crimes featured on the show.

"Dateline" has been a staple of the newsmagazine genre since premiering in 1992. Given how long it's been on the air, the show has an extensive archive of in-depth news stories and investigative journalism. This syndicated version offers viewers another chance to watch some of the show's previous content, serving up real-life mysteries and in-depth investigations from the show's 20-plus years on the air. Cases involving murders and missing people are frequent topics on the series that has won multiple Emmys in the news and documentary category.