Justice Department Investigates California Governor's Wife Jennifer Siebel Newsom Over Tax Issues

A Justice Department investigation into Jennifer Siebel Newsom, wife of Democratic California Governor Gavin Newsom, became public on Monday amid accusations from the governor that the Trump administration was pursuing a politically motivated probe. CNN confirmed that Siebel Newsom, who founded a non-profit organization focused on gender equity in media, is under federal investigation for tax-related conduct involving multiple people connected to the governor.

The investigation, launched last year by the U.S. Attorney's Office in Sacramento, has included witness interviews and grand jury subpoenas. A person familiar with the probe stated that the inquiry was initiated based on whistleblower reports and denied that the Trump-appointed Justice Department leadership in Washington initiated it. However, investigators have subpoenaed records related to the family's finances, according to Newsom's office.

Governor Newsom, a prominent Trump critic and potential 2028 presidential contender, characterized the investigation as an abuse of power. "There are clearly no boundaries to what Donald Trump will do to get his way or to challenge those who get in his way," Siebel Newsom said in a statement. The investigation's conduct and any resulting charges will face heightened scrutiny given the Trump Justice Department's pursuit of prosecutions against the president's opponents.

The Newsom investigation is separate from other federal inquiries affecting the governor's circle. In November, Dana Williamson, a top aide to Newsom and former chief of staff, was indicted on charges related to illegally funneling money from a dormant campaign account. Williamson later pleaded guilty to conspiracy to commit bank fraud, wire fraud, subscribing to a false tax return, and making false statements to a federal agent. Investigators had also questioned Williamson about the state's handling of the company Activision, though she had no information to disclose on that matter.

Trump's pick to lead the Justice Department, acting Attorney General Todd Blanche, may face questions about the investigation during his Senate confirmation proceedings, expected to begin as soon as next month. The investigation underscores tensions between the Newsom administration and the Trump Justice Department over allegations of selective prosecution.