Ibrahim Hassan al-Asiri, who runs a clandestine bomb factory in Yemen,
has built a reputation as al Qaeda's bomb-making savant one potential
near miss at a time: explosive-rigged underwear aboard a Christmas
flight to the US in 2009, printers fitted with high-grade explosives
less than a yearlater, and now possibly a metal-free device that could avoid
airport detectors, causing ripples in American law enforcement agencies.
Asiri, now called 'Evil Genius', by US intelligence agencies, has
emerged as CIA's worst nightmare since the slaying of terror chief Osama
bin Laden and is now a major focus of America's anti-terrorism
efforts, CNN reported quoting US intelligence officials.
Before those failed attempts, he staged an even more audacious
attack: Turning his own brother into a suicide bomber in a mission that
injured Saudi Arabia's top counterterrorism official and was later
decried by the US State Department for its "brutality, novelty and
sophistication."
"You tyrants ... your bastions and fortifications will not prevent us
from reaching you," said an al Qaeda statement claiming responsibility
for the August 2009 blast in Jiddah.
This appears to be the essence of al-Asiri's plots as one of the
leaders of the Yemen-based al Qaeda in the Arabian Peninsula, or AQAP. A
pattern has emerged of explosive expertise channeled into designs using
a smuggler-style stealth and innovation to try to outwit security
forces and spy agencies.
US authorities on Tuesday probed the latest device believed to be the
work of the Saudi-born al-Asiri or one of his students after it was
uncovered in a CIA operation.
It was described as a refinement of the underwear bomb that failed to
detonate aboard a jetliner over Detroit on December 25, 2009. The twist
this time was an absence of metal, which could have made the device
undetectable by conventional airport scanners.
The primary charge in the latest device was high-grade military
explosive that the Times, quoting an official, said "undoubtedly would
have brought down an aircraft."
The other change in the metal-free device was that it could detonate
in two ways. An improvement, to ensure that a repeat failure like the
one to blow-up a jet over Detroit does not occur again.
"It was a threat from a standpoint of the design," said John Brennan, US President Barack Obama's counterterrorism adviser.
Who is al-Asiri?
Al-Asiri, 30, was a student of Chemistry in Riyah. He tried to join
the al Qaeda in Iraq to fight off the 2003 US invasion but he was
arrested by Saudi officials when trying to cross the border. He arrived
in Yemen in 2006 after being jailed by Saudi officials in crackdowns
against Islamic militants.
File photo of al Qaeda bomb maker Ibrahim Hassan al-Asiri. AP/Saudi Arabia Ministry of Interior
"They put me in prison and I began to see the depths of (the Saudi)
servitude to the Crusaders and their hatred for the true worshippers of
God, from the way they interrogated me," he is quoted as saying in the
September 2009 issue of Sada al-Malahem, or Voice of Battles, an
Arabic-language online magazine put out by al Qaeda's branch in Yemen.
His younger brother, Abdullah, also made the trek to Yemen as they
turned their backs on their father, a four-decade veteran of the Saudi
military.
In Yemen's rugged northern mountains, they met with fugitive Yemeni
militant Nasser al-Wahishi, a former aide to Osama bin Laden, and became
the nucleus of the new al Qaeda affiliate, said the magazine account,
which could not be independently confirmed.
They later brought in US-born cleric Anwar al-Awlaki as a powerful
propaganda voice in the West. Al-Awlaki was killed in a US airstrike
last September.
US intelligence officials at first believed al-Asiri also was killed
in the attack, but the suspicions were proven wrong several weeks later.
Attacking Saudi:
In August 2009, al-Asiri was linked to an elaborate scheme to strike
at the heart of Saudi's intelligence services. His first experiment was
with his brother, Abdullah, who posed as a disenchanted militant wishing
to surrender to high-ranking officials in his homeland. A Saudi royal
jet was dispatched. To avoid detection, the explosive- laden with 100
grams of PETN or pentaerythritol tetranitrate which was reportedly
hidden in his rectum or held between his legs.
A file photo of Saudi Arabia's Deputy Interior minister Prince Mohammed bin Nayef. (Reuters)
Once inside the Saudi intelligence offices in the Red Sea port of
Jiddah, he detonated the device near his target: deputy interior
minister Prince Mohammed bin Nayef - whose father Prince Nayef ran the
ministry and would later become the kingdom's heir to the throne.
Prince Mohammed was slightly injured in the suicide blast. But for al
Asiri, it was near success. Never before had they got so close to
killing a royal family member.
The bomb used, was an industrial explosive known as PETN, or
pentaerythritol tetranitrate, the same material used in 2001 by
convicted shoe bomber Richard Reid when he tried to destroy a
trans-Atlantic flight.
It would become a signature element of al-Asiri's plots, according to intelligence analysts.
Failed bombings:

After
the failed Christmas 2009 bombing, investigators pulled al-Asiri's
fingerprint off the bomb hidden in the underwear of the Nigerian-born
suspect, Umar Farouk Abdulmutallab, aboard the Northwest Airlines
flight.
Click here for details.
The design of the bomb was innovative, US counterterrorism officals were quoted by CNN.
The
main PETN explosive was located in a specially sewn pouch in
Abdulmutallab's underwear. The explosive was connected to a detonator.
A syringe in his underwear, filled with two chemicals: potassium
permanganate and ethylene glycol would serve as the inititiating device.
A file photo of Abdulmutallab, accused of setting alight an explosive device attached to his body. (Reuters)
As the flight approached Detroit, Abdulmutallab plunged the syringe,
mixing the two chemicals and setting them afire. This flame set off the
detonator, according to the prosecution. The PETN device, however,
failed to detonate. Instead, some of it started burning.
While those on board the Northwest Airlines Flight 253 were lucky,
Asiri was undettered. Within months he designed a device that could be
integrated into a printer.
Asiri was linked to the discovery of printer cartridges packed with
400 grams of PETN and sent by international courier with Chicago-area
synagogues listed as the destination.
Click here for details.
Specially trained dogs and even X-ray scanners could not detect the
explosive-rigged packages - believed powerful enough to bring down a
plane.
"The toner cartridge contains the toner which is carbon-based and
that is an organic material. The carbon's molecular structure is close
to that of PETN," al Qaeda in the Arabian Peninsula boasted later,
reports CNN.
Asiri, a major threat?Al-Asiri became a
major focus of America's anti-terrorism efforts. In March 2011,
Washington officially designed al-Asiri as a wanted terrorist, calling
him the primary bombmaker for AQAP. It also presumably puts al-Asiri
among the chief targets on the US hit list.
Last month, US officials expressed concern that al Qaeda "intends to
advance plots along multiple fronts, including renewed efforts to target
Western aviation," according to a joint intelligence bulletin
circulated from the US Northern Command, the FBI and Homeland Security
Department.
While al-Asiri has been dubbed the master bomb-maker of al Qaeda's
Yemen franchise, it may be wrong to label him the linchpin of the
group's ability to strike with explosives, said Gregory Johnsen, a Yemen
expert at Princeton University.
Although US officials touted the disrupted plot as a success, they
acknowledged AQAP remained determined to strike and its master
bombmaker, al-Asiri, was apparently hard at work seeking to circumvent
airport security.
It is al Qaeda’s affiliate in Yemen that "we're most worried about,
the affiliate we spend the most time on. They're operating in the midst
of essentially an insurgency, a multi-polar struggle for the control of
Yemen. And that allows them the opportunity to recruit, to fundraise, to
plot," say US counterterrorism officials.
"I think it is safe to assume that in the nearly six years that he
has been in Yemen, he has trained other individuals to replace him if he
were to be killed," Johnsen wrote on his blog on Tuesday. "It is
unlikely that Asiri is the only bombmaker AQAP has within its ranks - he
is just the only name we know."
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