The feds get involved, since the cesium could be used to make a dirty bomb.
We already know that al Qaeda and other terrorist groups are looking for a 'dirty bomb.
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Padilla is an American citizen accused of involvement in a dirty bomb plot against the United States.
For example, the watch list contains words such as dirty bomb, hostage, al Qaeda and ammonium nitrate.
Yet the black market in materials of the sort needed for a dirty bomb is much bigger.
Safe rooms can be built to escape individual intruders or mass casualty attacks, such as a dirty bomb.
And, prosecutors said, it doesn't matter if the charges against Padilla don't include a previously alleged "dirty bomb" plot.
Lizzie felt the film would ask a very important question: How prepared are we if a dirty bomb were to go off in the UK?
The FBI arrested Padilla in Chicago, Illinois, in May of 2002 on suspicion of being part of a plot to detonate a so-called dirty bomb.
Padilla, also known as Abdullah Al Muhajir, is a suspected al Qaeda operative alleged to have planned to detonate a dirty bomb in the United States.
That is significantly reducing the risk that an al Qaeda or a terrorist organization could get a dirty bomb and explode it in Seoul or New York City.
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Such an attack could involve a "dirty bomb, " capable of contaminating large parts of a city with dangerous levels of radiation, effectively making it uninhabitable for many years.
However, something that could be made much easier like a dirty bomb, which could still cause considerable destruction, is more of a realistic threat once divided by the probability.
When John Ashcroft announced the arrest of an American citizen in Chicago three years ago, the attorney general said Jose Padilla had been plotting to detonate a dirty bomb in the United States.
Padilla has been held by the military as an "enemy combatant" since his arrest in 2002, when U.S. officials accused him of plotting to detonate a radioactive "dirty bomb" in the United States.
And another witness, an employee of a federal watchdog agency, talked about a recent drill in which agents successfully transported across the border materials that could have been used to make a dirty bomb.
But the Justice Department did not include accusations that Padilla plotted to detonate a "dirty bomb" or to blow up apartment buildings, although government officials had leveled those allegations publicly before Padilla was charged.
Jose Padilla, an American accused of plotting a "dirty bomb" was detained in a military prison as an enemy combatant, then finally transferred to federal court where he was convicted of an altogether different crime.
The U.S. has said North Korea does not possess a nuclear warhead or the required technology to miniaturize one to fit on its rockets, but it could put a "dirty bomb" or conventional weapon on one.
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But the indictment makes no mention of a plot to detonate a radioactive "dirty bomb" or blow up apartment buildings with natural gas -- allegations made previously in public statements and court arguments by Justice Department officials.
One of the cases is that of Binyam Mohamed, an Ethiopian who was arrested in Pakistan in 2002 and accused by the US of taking part in a so-called "dirty bomb" plot after being at a camp visited by Osama bin Laden.
The court asked the government to explain why a Miami grand jury's indictment made no mention of a "dirty bomb" plot and other allegations cited by the Bush administration to detain Padilla in a military brig for the past three and a half years.
Daschle said that the arrest of "dirty bomb" suspect Jose Padilla and further revelations of the actions of other suspected terrorists inside U.S. borders bolster arguments for a quick resolution to the homeland security issue, but said it was important to do the job right.
Word of the October alert was just the latest sign of the concerns U.S. officials have about the possibility al Qaeda or another terrorist network might gain access to a nuclear device -- either a nuclear weapon or a so-called "dirty bomb, " one that contains radioactive material spread by detonating a conventional explosive.
There was a brief moment of collective panic around Memorial Day in late May, after the federal government started sharing its fears that terrorists might target cities with weapons of mass destruction and the New York Times Magazine ran a cover story exploring what might happen if a dirty nuclear bomb went off in Times Square.
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