Pakistan authorities say American Muslims, from left, Waqir Hussain Khan, Ramys Zamzam, Umar Farooq, Ahmad Abdulminni, Aman Hasan Yamer used the social networking site Facebook and the Internet video site YouTube to try to connect with extremist groups in Pakistan. They allegedly met with representatives of an Al Qaeda-linked group and asked for training but were turned down because they lacked references from trusted militants. They were reported missing by their families in the Washington area a week ago after one of them left behind a farewell video showing scenes of war and casualties and saying Muslims must be defended. Pakistani police detained them this week — along with one of their fathers — in Sargodha, a town in the eastern province of Punjab.
May 21, 2009: U.S. James Cromitie, center, is led by police officers from a federal building in New York after being arrested on charges related to a bombing plot in the Bronx. Cromitie, 53, (also known as Abdul Rahman), is one of four men accused of scheming to shoot down military airplanes flying out of an Air National Guard base in Newburgh, New York and blow up two synagogues in the Bronx, in April.
May 21, 2009: In this courtroom sketch, terror suspects James Cromitie, right, David Williams, second from left, and Onta Williams, left, and Cromitie's lawyer, Vincent Briccetti, second from right, are seen in a courthouse in White Plains, New York.
October 21, 2009: U.S. citizen Tarek Mehanna, 27, of Sudbury, Massachusetts, is seen in this Sudbury Police Department. Mehanna was arrested at his home on Wednesday morning, and U.S. federal prosecutors have him with conspiracy to provide material support to terrorists, alleging he and co-conspirators traveled to the Middle East seeking training, discussed attacking a shopping center, and distributed videos promoting holy war.
Ahmad Abousamra, 28, thought to be a U.S. citizen now living in Syria, was also charged in Wednesday's 10-count indictment.
Michael C. Finton. Finton, 29, also known as Talib Islam, was arrested Sept. 23, 2009 and charged in a criminal complaint with one count of attempting to murder federal officers or employees after attempting to detonate what he thought was a bomb inside a van outside a federal courthouse.
Sept. 25, 2009: Najibullah Zazi is escorted by U.S. Marshals after a helicopter landing at a New York Police Department facility in Brooklyn, New York. Zazi was arrested on September 19, is charged with plotting bomb attacks in the United States.
Oct. 9, 2009: Mohammed Zazi, father of Najibullah Zazi, walks to the Alfred A. Arraj Federal Courthouse for a hearing in Denver, Colorado. The father of an Afghan immigrant accused of plotting one of the most serious security threats to the United States since the Sept. 11 attacks was indicted on charges of lying to the FBI.
Ziyad Yaghi, 21, poses for his mug shot in an unspecified location and date. Yaghi is charged with conspiring to support terrorism and traveling overseas to participate in a 'violent jihad,' according to an indictment unsealed July 27, 2009. A father, his two sons and four other men living in North Carolina are accused of mililtary-style training at home and plotting terrorist activites abroad.
Mohammad Omar Aly Hassan, 22, poses for his mug shot in an unspecified location and date. Hassan is being charged with conspiring to support terrorism and traveling overseas to participate in a 'violent jihad,' according to an indictment unsealed Monday, July 27, 2009. A father, his two sons and four other men living in North Carolina are accused of mililtary-style training at home and plotting terrorist activites abroad.
Hysen Sherifi, a native of Kosovo and a U.S. legal permanent resident, is being charged with conspiring to support terrorism and traveling overseas to participate in "violent jihad," according to an indictment unsealed Monday, July 27, 2009.
Daniel Patrick Boyd, the North Carolina man named as the ringleader of an aspiring terrorism group sold most of the weapons he purchased and wanted to make sure his children were familiar with guns, one of the sons told federal agents in a report released Tuesday Aug. 24, 2009.
U.S. citizen Abdulhakim Mujahid Muhammad, 23, is escorted from the Little Rock police headquarters Monday, June 1, 2009 in Little Rock, Ark. Muhammad is the suspect in the killing of a soldier in a targeted attack on a military recruiting center, police said. Another soldier was also wounded in the attack.
Burhan Hassan was one of many young Somali Americans men who went missing from Minneapolis last year and according to his family was recruited by radical elements in Somalia. Hassan's family learned on June 5, 2009 that the 17-year-old had been killed under mysterious circumstances and buried in Mogadishu.
Jamal Bana's parents said that they identified their son in a photo on a Somali news Web site showing a dead body in Somalia. Bana was among a group of up to 20 young Somali Americans who left Minneapolis in recent years- disappearances under investigation by the FBI out of suspicion they were recruited by a radical Islamic terror group to fight in their homeland.
Mohamud Said Omar is being held in connection with the FBI's investigation into the disappearance of up to 20 young Somali Americans who left the Minneapolis area over the last two years for Somalia. Documents unsealed Nov. 24, 2009 allege he was involved with many of the young men who left Minneapolis in waves - from December 2007 through November 2008.
Abdifatah Yusuf Isse is one of three Somali Americans the have pleaded guilty with providing material support to terrorism. The indictment is the first public step in a sweeping federal investigation of more than 20 young Americans who are believe to have joined a militant Islamic group in Somalia, that is affiliated with Al Qaeda.
Mohamud Said Omar, 43, is is being held in connection with the FBI's investigation into the disappearance of up to 20 young Somali American men who left the Minneapolis area over the last two years for Somalia. Documents unsealed Tuesday, Nov. 24, 2009 allege he was involved with many of the young men who left Minneapolis in waves - from December 2007 through November 2008.
Major Nidal Malik Hasan, the U.S. Army doctor is the suspect in a mass shooting at the U.S. Army post in Fort Hood, Texas. The U.S. Army has charged Hasan, suspected of killing 13 people in the spree at Fort Hood last month.
Luqman Ameen Abdullah, imam of the Masjid Al-Haqq mosque in Detroit. Was fatally shot Oct. 28, 2009, after resisting arrest and firing at agents at a warehouse in Dearborn. The American-born convert to Islam killed when federal agents tried to arrest him and 10-alleged co-conspirators. Formerly Christopher Thomas, he was accused of being the ringleader of a radical muslim separatist movement that wanted a state in American governed by Shariah law. The group is accused of theft from interstate shipments, mail fraud involving arson and illegal possession and sale of firearms.
In this courtroom drawing David Coleman Headley, left, pleads not guilty before U.S. District Judge Harry Leinenweber Wednesday, Dec. 9, 2009, in Chicago to charges that accuse him of conspiring in the deadly 2008 terrorist attacks in the Indian city of Mumbai and of planning to launch an armed assault on a Danish newspaper.
Experts say 2009 has seen more homegrown terror cases than any year since 9/11. Here are some examples.