FILE - Protesters hold photographs of victims, including Melvin Riffel, left, of the 2019 Ethiopian Airlines plane crash, outside Boeing's annual shareholders meeting in Chicago on April 29, 2019. Ike Riffel, a California father whose two sons, Melvin and Bennett, died in the crash, fears that instead of putting Boeing on trial, the government will offer the company another shot at corporate probation through a legal document called a deferred prosecution agreement, or DPA. (AP Photo/Jim Young, File)