A member of Lummi Nation was convicted today in U.S. District Court in Seattle of Assault by Strangulation, announced U.S. Attorney Tessa M. Gorman. Joseph Michael Quincy Jefferson, 35, was found guilty following a seven-day jury trial. Jurors deliberated about ninety minutes before reaching the guilty verdict. U.S. District Judge Lauren King scheduled sentencing for April 10, 2025.