 35-year-old Kristen Borden of Northwest D.C. was arrested last week on charges of first-degree murder. Walton had multiple blunt force injuries, and the charging documents claim that Borden gave conflicting answers on how they happened. Ralph Fox, WTOP News. Sports at 25 and 55, brought to you by Amentum. Solving what's next. Engineering a safer, smarter, cleaner world.