In June 2002 , Hapilon and four other Abu Sayyaf leaders — Khadaffy Janjalani , Hamsiraji Marusi Sali , Aldam Tilao , and Jainal Antel Sali , Jr. — were indicted in absentia by the United States government for their role in the 2000 Dos Palmas kidnappings of seventeen Filipinos and three Americans , and the eventual beheading of one of the Americans , Guillermo Sobero . The August 2000 kidnapping of Jeffrey Schilling , and the deaths of two hostages — American missionary Martin Burnham and Filipino nurse Ediborah Yap — were also cited in the indictment . Hapilon was the only one of the five indicted still alive by 2017 . On February 24 , 2006 , he was added to the FBI 's Most Wanted Terrorists list , along with Janjalani and Jainal Sali , Jr . The Rewards For Justice Program of the US State Department offered up to US$ 5 million ( approx. 256 million Philippine pesos at the time of his death ) for information leading to his capture
Dos Palmas kidnappings
Dos Palmas kidnappings
Isnilon Hapilon