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In a letter to the judge overseeing Waymo's lawsuit against Uber, the Justice Department says that a former Uber employee suspected the company helped its then-CEO covertly communicate with a startup the company eventually acquired. A document detailing the employee's original concerns will be released on Friday.

Why it matters: The Justice Department's notice to the court led to a second delay to the trial between the two companies. The ex-Uber employee's concerns, which he communicated to the company back in May after being fired, were never mentioned in the case until that point, raising questions about whether the ride-hailing company was purposefully hiding.

  • This is also the first confirmation of a Justice Department criminal probe into Uber, beyond rumors and media reports.

However: Another Uber employee testified last month in court that the presentation he gave on secretive communications, referenced by the former employee and Justice Department, was purely hypothetical. In fact, he and his team had no idea that Kalanick and the startup's founder communicated without leaving a trace until Bloomberg published an article detailing their tactics months later. Uber also argued in court that the former employee sought to extort money from the company after getting fired for poor performance.

Note: The case was referred in May to the U.S. Attorney's Office for a potential criminal probe.

Here's the full Justice Department letter:

Go deeper

Moderna says COVID vaccine shows strong immune response in kids aged 6-11

Photo: Martin Galindo/Long Visual Press/Universal Images Group via Getty Images

Moderna on Monday released trial results for its coronavirus vaccine for children aged 6 to 11, saying it provides a "robust" immune response after two doses.

Why it matters: Moderna said it will officially submit the results to the Food and Drug Administration for authorization in "the near term," meaning we could soon see two coronavirus vaccines available to protect approximately 28 million more kids in the U.S.

Live list: The "Facebook Papers" arrive

Illustration: Annelise Capossela/Axios

Reports based on leaked whistleblower documents from Facebook, known as the Facebook Papers, appeared in a broad range of news outlets Monday, shedding light on what company knew about harms caused on its platform and how it handled that information.

Why it matters: The reports paint a detailed picture of Facebook's efforts over the years to grapple with major problems — from hate speech to inciting violence — while continuing to pursue its business objectives.

U.S. will now allow private citizens to sponsor Afghan refugees

A family boards a bus at the airport that will take them to a refugee processing center after being evacuated from Kabul. Photo: Anna Moneymaker/Getty Images

Americans wanting to help vulnerable Afghan refugees now have a new way to get involved through a new U.S. private refugee sponsorship program announced Monday.

  • Groups of at least 5 adults can apply, complete background checks and start fundraising the $2,275 per refugee required.

Why it matters: It’s a big shift in the U.S refugee process, which has long relied on non-profits.