Terrorist are the people who threaten people by using violence. There are many groups and organisation who are working. These groups are formed sometimes because of one's ideology of beliefs and sometimes to gain power. People working with these groups are always hidden and they use fake identities. Most of them are on most wanted list of FBI and other security service agencies of different countries.
Jehad is an operating member of al-shabaab. It is a Somalia-based terrorist organisation in where he works as a training camp instructor. He is one the most wanted terrorist of FBI.
Ayman al-Zawahiri was born on June 19, 1951 and is the present leader of al-Qaeda and is a former member and senior official of Islamist organizations.He was the leader of Egyptian Islamic Jihad from Cairo and later he merged with al-Qaeda. They have carried out attacks in North America, Asia, Africa, and the Middle East. U.S. State Department has offered a US$25 million reward for information that will help to capture him.
Alimzhan Tursunovich Tokhtakhounov is a suspected criminal, former sportsman and also a Russian businessman. He is accused of bribing in 2002 winter Olympics. He is involved in illegal trafficking of stolen automobiles.
Felicien Kabuga is accused of bankrolling and participating in the Rwandan Genocide. He is also a Rwandan businessman.
Matteo Messina Denaro is a Sicilian mafioso and also known as Diabolik. After the arrest of Bernardo Provenzano and Salvatore Lo Piccolo, he is considered as the most powerful and one of the new leaders of Cosa Nostra.
Dawood Ibrahim is the leader of D-company which is based in Mumbai. He left Mumbai in 1984 when Mumbai Police was about to catch him. He went to Dubai and after his name came for the Mumbai blasts, he shifted from Dubai to Karachi. He is in the wanted list of Interpol for running an organised crime syndicate, cheating and criminal conspiracy.
James Joseph 'Whitey' Bulger is a murderer and was the part of Boston crime network. He is indicted of 19 murders by US prosecutors. He has charges like racketeering, murder, conspiracy to commit murder, conspiracy to commit extortion, extortion and many more. He evaded 30 years ago.
Omid Tahvili is involved in criminal activities related to drugs and fraud. He is a gangster and is connected to various international crime organizations. He is connected to international countries like Canada, Europe, and the Middle East. He also is the leader of a Persian crime group based in Canada.
Joseph Kony is a leader of LRA which stands for Lord's Resistance Army. He is a guerrilla group member which is operated from Uganda. He is accused of war crimes and crimes against humanity by the International Criminal Court in the Hague, Netherlands. He is also accused by government entities of ordering children to become sex slaves and child soldiers.
It is believed by European and United States federal law enforcement agencies that Semion is an organized crime boss. He is a Russian Mafia and is in wanted list of FBI. He is also considered as a money launderer.
According to FBI, he is responsible for two bombings in 2003. It was in an area of San Francisco, California. He is associated with the Animal Liberation Brigade as animal liberationist.
Hasan Izz-Al-Din was involved in planning and participated in hijacking of a commercial airliner, in which one US citizen was murdered and they also assaulted various crew members and passengers. He is a member of Lebanese Hezbollah, a terrorist organisation.
Ramadan is a part of an international terrorist organisation called Palestinian Islamic Jihad. He is FBI wanted list as he is involved in racketeering activities such as bombing, murder, money laundering and extortion. He is also a founding member of PIJ.
Isnilon Totoni Hapilon is the leader of Abu Sayyaf Group, a Filipino terrorist organization. He was involved in terrorist acts against United States nationals. He committed violent acts against foreign nationals which include murder.
Liban Haji Mohamed is U.S. citizen, which is also involved in the hit list of FBI. He is accused of helping some terrorist organizations by supplying them material support and resources.