Uber's headquarters in San Francisco. Eric Risberg / AP

A San Francisco judge (again) delayed Waymo's upcoming trial against Uber after a mysterious letter from a former employee of the ride-hailing company surfaced. The judge granted Waymo's request for more time to prepare for the trial, since the letter had been withheld by Uber.

Why it matters: The letter was uncovered last week, when the Department of Justice contacted the presiding judge about its existence. Though the letter's contents aren't publicly available, and even Waymo's lawyers have only seen a redacted version of it, it appears to contain important information about Uber's acquisition of Otto Trucking. It also appears to explain why the thousands of proprietary files Waymo says its former employee took with him never seemed to have made it onto Uber's computers.

What we know about the letter:

  • It was sent by a lawyer for then-Uber risk analyst Richard Jacobs on May 7, 2017 to then-Uber assistant general counsel Angela Padilla.
  • Uber never mentioned the letter's existence to Waymo or the court, though Waymo says it should have because it pertains to several document requests it made as part of the discovery process.
  • The letter appears to contain information about sensor-related work done by Anthony Levandowski, the former Waymo employee whose startup Uber acquired.
  • Also, "the Jacobs Letter indicates that there may be a very good reason why the '14,000 files in question' were supposedly not found on Uber's servers," in reference to the Waymo documents Levandowski allegedly took.
  • Court documents (which are heavily redacted) hint that the letter shows that Uber hid or destroyed evidence relevant to this lawsuit, and did the same as part of its acquisition of Levandowski's company last year.
  • Based on the letter, Waymo says it now needs to interview several Uber employees and agents, including former CEO Travis Kalanick and former security chief Joe Sullivan.

Go deeper

Biden: The next president should decide on Ginsburg’s replacement

Joe Biden. Photo: Drew Angerer / Getty Images

Joe Biden is calling for the winner of November's presidential election to select Ruth Bader Ginsburg's replacement on the Supreme Court.

What he's saying: "[L]et me be clear: The voters should pick the president and the president should pick the justice for the Senate to consider," Biden said. "This was the position the Republican Senate took in 2016 when there were almost 10 months to go before the election. That's the position the United States Senate must take today, and the election's only 46 days off.

Trump, McConnell to move fast to replace Ginsburg

Photo: Alex Wong/Getty Images

President Trump will move within days to nominate his third Supreme Court justice in just three-plus short years — and shape the court for literally decades to come, top Republican sources tell Axios.

Driving the news: Senate Majority Leader Mitch McConnell and Senate Republicans are ready to move to confirm Trump's nominee before Election Day, just 46 days away, setting up one of the most consequential periods of our lifetimes, the sources say.

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Illustration: Sarah Grillo/Axios

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  6. Education: At least 42% of school employees are vulnerable.