MAY 2003: A naturalized U.S. citizen from Kashmir living in Columbus, Ohio, is accused of planning to destroy the Brooklyn Bridge, pleads guilty to supporting al-Qaida and is sentenced to 20 years in prison.
JUNE 2003: The FBI charges a group of men in Virginia with being part of a conspiracy to support holy war overseas. In all, 11 men eventually were convicted in what the government described as a ``Virginia jihad network'' that used paintball games as training.
AUGUST 2004: U.S. authorities announce evidence of a yearslong plot to attack financial institutions in New York, Washington and Newark, N.J. Eventually, five men plead guilty in London.
AUGUST 2004: Two men are arrested on the eve of the Republican National Convention in New York on suspicion of plotting to blow up a subway station. They are sentenced to prison.
AUGUST 2004: Authorities arrest two leaders of a mosque in Albany, N.Y., and charge them with aiding in a plot to buy a grenade launcher to assassinate a Pakistani diplomat. They are later convicted of counts relating to money laundering and conspiracy.
AUGUST 2005: Four California men, one the founder of a radical Islamic prison group, are accused of conspiring to attack Los Angeles-area military bases, synagogues and other targets. Three were convicted; one awaits trial.
FEBRUARY 2006: Three men are arrested in Toledo, Ohio, on suspicion of providing material support to terrorists. One is accused of downloading videos on the use of suicide-bomb vests.
APRIL 2006: Two Georgia men are accused of videotaping buildings in the Washington area, including the Capitol and the World Bank, and sending the video to a London extremist active on jihadist Web sites.
JUNE 2006: The FBI announces arrests in Miami and Atlanta in the early stages of a plot to destroy the Sears Tower in Chicago, FBI offices and other buildings. A federal jury convicted five men of plotting to join forces with al-Qaida. A sixth was acquitted.
JULY 2006: U.S. authorities announce the arrest of Assem Hammoud, a Lebanese man they claim was plotting to bomb New York City train tunnels to flood the financial district.
MAY 2007: Six men were arrested in a suspected plot to attack soldiers at Fort Dix in New Jersey. Five were convicted of conspiring to kill military personnel and four were sentenced to life in prison; another got 33 years.
JUNE 2007: Four Muslim men are accused of plotting to destroy New York's Kennedy Airport, kill thousands of people and blow up a jet fuel artery. They have pleaded not guilty.
MAY 2009: Four men are charged in New York with plotting to attack synagogues and shoot down a military plane.
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