By Mike Swift ( August 10, 2026, 16:15 GMT | Insight) -- Meta Platforms is trying to block the trial testimony of Arturo Bejar, a former director of engineering for Meta turned child-safety advocate, in the addictive design case 29 states are bringing against Meta starting next week in Oakland, California. Bejar's testimony in what the states say could be a $1 trillion trial against Meta should be precluded because he sent self-deleting messages in the Signal app relevant to Meta’s defense, despite being ordered by courts to preserve those records, Meta told the federal judge overseeing the case.A week before the start of a high-stakes trial against Meta Platforms on addictive design claims by 29 states, Meta asked a California federal judge to block the testimony of a “star” witness for the states who testified in all three preceding addictive design trials against Meta this year....
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