The official said four people — two French, two Chinese — have been placed under formal investigation since March.... The official and the prosecution service, which also specializes in terrorism cases, refused to go into greater detail about the investigation.... It said investigators have uncovered nearly 12 million euros( more than$ 13 million) worth of suspected exports of technology.It said the company's French manager is suspected of having personally delivered chips to Russian clients..

The official said four people — two French, two Chinese — have been placed under formal investigation since March.... The official and the prosecution service, which also specializes in terrorism cases, refused to go into greater detail about the investigation.... It said investigators have uncovered nearly 12 million euros( more than$ 13 million) worth of suspected exports of technology.It said the company's French manager is suspected of having personally delivered chips to Russian clients..