Listen: FBI is joining investigation into Boeing's 737 Max
"Barbara Kusak. Federal prosecutors issued multiple subpoenas as part of an investigation into Boeing's FAA certification and marketing of it's seven thirty seven max aircraft correspondence Shimon bash has details on the Justice department investigation. We're told the safety manuals and training manuals have all been subpoenaed as well as people who may have been involved in some of this and putting some of this together FBI agents in Seattle where Boeing is headquartered out there serving subpoenas. But keep in mind, we're told that this is all very preliminary. This investigation is in"