Today, we're sharing something special with you. This is the first episode of the latest true crime podcast from 20/20 and ABC Audio, "Vanished: What Happened to Vanessa."

In episode one, Private First Class Vanessa Guillén shows up for work one morning at the Fort Hood Army base and disappears without a trace. When she stops responding to text messages, her tight-knit family in Houston immediately sounds the alarm. Who was Vanessa Guillen? How did this strong 20-year-old soldier suddenly go missing on a military base? And why does she inspire an international movement?

To catch new episodes early, follow "Vanished: What Happened to Vanessa" for free on ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Apple Podcasts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Spotify⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Amazon Music⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠, or wherever you listen to podcasts.

The fate of the Navajo Nation comes down to a historic vote. Will the tribe's future finally be secured?

The Navajo Nation works towards a settlement for its water rights. But its citizens must decide: How far are they willing to compromise?

The Navajo Nation heads to the Supreme Court to demand an answer to a critical question: Is the U.S. government responsible for helping them secure the water they need to survive?

On the Navajo reservation, water is sacred — and scarce. While its surrounding states are guaranteed water from the Colorado River, the Navajo Nation has been denied this basic human right.

In this season of "Reclaimed," journalist Charly Edsitty follows the history of oppression and exclusion that kept the Navajo from their water — and traces the fight to reclaim their sovereignty.

The odds of seeing a Black American baseball player on the diamond were higher in the 1950s than they are today. Baseball's future will be defined by how it reckons with the past. But is it too little too late?

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Baseball's institutions fail to recognize Negro Leaguers as pressure builds for the sport to reconsider who counts as one of the greats.

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When Jackie Robinson is signed by the Brooklyn Dodgers, he opens a door that was closed for decades. The move changes baseball forever and sets Negro Leagues players on a new trajectory. But integration comes with a heavier price than they could've ever imagined.

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To draw crowds to their games, Black baseball players develop a signature style of play. It captivates audiences around the world — even gets the attention of one of Latin America's most notorious dictators.

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The newly founded Negro Leagues struggle to catch on — until savvy businessmen and fierce rivalries propel Black baseball to the national stage.

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