In 2002 Hapilon and four other ASG members -- Khadaffy Janjalani, Hamsiraji Marusi Sali, Aldam Tilao, and Jainal Antel Sali, Jr. -- were indicted in Guam and in the United States for their role in the 2000 Dos Palmas kidnappings of 17 Filipinos and three Americans, and the eventual beheading of one of the Americans, Guillermo Sobero.