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‘US still the target’: Indonesia’s arrest of Jemaah Islamiah terrorist leader reveals thousands of recruits

  • JI said to be in ‘damage control’ after detention of Ustad Arif but expected to be operating normally in six months to a year
  • Group is now raising funds through various business activities as it seeks to establish an Islamic caliphate in Indonesia and the southern Philippines

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Members of Indonesian counterterrorism task force Detachment 88 during an anti-terror exercise at the Borobodur hotel in Jakarta. The unit recently arrested the leader of IS, Ustad Arif. Photo: AFP

About two months ago, Indonesian counterterrorism task force Detachment 88 arrested a little-known cleric named Ustad Arif, according to a senior security source.

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The 54-year-old from Klaten, Central Java, turned out to be the leader of Jemaah Islamiah (JI), the Southeast Asia branch of al-Qaeda.
JI was behind all the deadly terror attacks in Indonesia from 1998 to 2010 before it was weakened by Indonesian counterterrorism police, who arrested hundreds of its members during the period, including several leaders.

“Ustad Arif was arrested about two months ago,” a senior security source told This Week In Asia on condition of anonymity this past week before adding a tantalising detail: “He has links to Malaysia, but those links have not been profiled. They are sleeper cells.”

Following the JI-masterminded 2002 Bali bombings, which killed 202 people, including 11 Hong Kong residents, JI had split into two factions, said Robi Sugara, a lecturer and counterterrorism analyst at Syarif Hidayatullah Islamic University in Jakarta. One faction believed in violent jihad and supported al-Qaeda and later, Islamic State, while another believed in what Sugara called “jihad proselytisation”.

JI suffered a near extinction in 2007 when an armed clash with police in Poso, Central Sulawesi, led to the arrest of more than 40 of its members, including top leaders, according to a 2017 report by the Institute for Policy Analysis of Conflict (IPAC). From 2007, it has also been known as “neo-JI”, IPAC said.

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Sugara said it was mostly members of the jihad proselytisation faction of JI that were arrested recently as “they supplied funds to terrorists”.

Umar Patek, a member of Jemaah Islamiah, during his trial in Jakarta in 2012. He was sentenced to 20 years in prison for murder and bomb-making in the 2002 Bali bombings. Photo: Reuters
Umar Patek, a member of Jemaah Islamiah, during his trial in Jakarta in 2012. He was sentenced to 20 years in prison for murder and bomb-making in the 2002 Bali bombings. Photo: Reuters
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