The Defense Department inspector general has cleared the former head of the Pentagon's Defense Innovation Unit and closed an ethics probe in the days after his departure from the small-budget outfit that aims to leverage commercial technologies for military use cases. The IG notified former Director Mike Brown in a Sept. 9 letter, obtained by Inside Defense , that officials "did not substantiate" allegations of "improper personnel practices." Brown was alleged to have ignored federal hiring regulations and misused contracting...
