• Police in Southern California said Tuesday they were seeking additional information about an incident last week that Twitter CEO Elon Musk said prompted him to crack down on accounts that track whereabouts of private jets — including his.
• The Dec. 13 incident in a Los Angeles-area highway has become a flashpoint for a debate about online speech and the dissemination of personal information, although authorities had previously said little about what happened.
• In a statement Tuesday, police in South Pasadena said that the incident involved a member of Musk’s security team, whose vehicle hit the car of a man he alleged was following him.

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