In this articleBAFamily members hold photographs of Boeing 737 MAX crash victims lost in two deadly 737 MAX crashes that killed 346 people as they arrive for Boeing CEO Dennis Muilenburg's testimony before a Senate Commerce, Science and Transportation Committee hearing on “aviation safety” and the grounded 737 MAX on Capitol Hill in Washington, October 29, 2019.Sarah Silbiger | ReutersFamilies who lost loved ones in two crashes of Boeing 737 Max jetliners may get their last chance to demand the company face ...