same type of airplane craft. now we have learned the u.s. justice department has been issued subpoenas as part of a criminal investigation into the way boeing was regulated by the faa. more now from cnn even perez. prosecutors issued subpoenas part of an investigation into the certifica t the certification and marketing. sources tell us the investigation is in its early stages. and it began after the indonesia crash of lion air 737 max in october. transportation secretary this week asked the agency inspector general to investigate the max certification. criminal investigators have sought information from boeing on the plane safety and certification procedure. including training manuals for pilots and how they marketed the aircraft. it s not clear what possible