Sayyaf: Abu

They are responsible for the Philippines' worst terrorist attack, the 2004 bombing of MV Superferry 14 , which killed 116 people.

Abu Sayyaf is widely considered the most violent of the separatist groups in the Philippines. Its activities often blend ideological warfare with criminal enterprise: abu sayyaf

Founded in the early 1990s by Abdurajak Abubakar Janjalani , a former Islamic scholar who fought in the Soviet-Afghan War. They are responsible for the Philippines' worst terrorist