In 2022, the inspector general’s office launched an investigation of Elon Musk’s brain implant startup Neuralink, which remains ongoing, sources said. In recent years, the office has also taken on animal abuse at dog breeders for research labs and the listeria outbreak at Boar’s Head, among other issues.

Trump's firings of the Senate-confirmed inspectors general included officials at Defense, State, Transportation, Labor, Health and Human Services, and EPA among others.