California candidate for governor Eric Swalwell insisted “the case is closed” at an abrupt news conference — as FBI Director Kash Patel threatens to release investigative files about a suspected Chinese spy who infiltrated his office. “This case is closed — the bureau said, over 10 years ago, all we did was help,” Swalwell said in brief remarks Monday outside the Phillip Burton Federal Building in San Francisco. The East Bay rep was surrounded by SEIU union officials as he blasted FBI Director