Charlotte Charles and Tim Dunn say they made a deathbed promise to seek justice for their son — and they have every intention to keep it. Just two days after the pair took part in a bizarre White House meeting in which President Donald Trump attempted to ambush them with a surprise meeting with the woman believed to have struck and killed their 19-year-old son, Harry Dunn, the grieving parents tell TIME they cannot understand what the American government expects them to do, and they will not simply accept that their son’s suspected killer may be exempt from prosecution because she is the wife of a diplomat. “That’s not going to happen,” Dunn tells TIME. Anne Sacoolas, the wife of an American diplomat, is suspected to have struck Harry Dunn on his motorcycle in August, and then fled to the U.S.