The group faces 42 charges, including high treason, murder, attempted murder, terrorism and the illegal possession of weapons.
Subversion of the constitution is an act of high treason, punishable by death.
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The caretaker government in Pakistan has said it will not put former military ruler Pervez Musharraf on trial for high treason.
The forefathers might conclude and accuse many people both in Congress and in the Judiciary of having flirted with high treason.
Valentin Varennikov of high treason for joining those trying to overthrow former Soviet leader Mikhail Gorbachev in an August 1991 coup attempt.
By contrast, the Bush White House is obsessive about secrecy, viewing leaks of even the most mundane information as the equivalent of high treason.
Any decision which upholds the challenge will put pressure on the government to start legal action against Mr Musharraf for alleged high treason, they say.
Correspondents say that the court case could culminate in the government coming under more pressure to start legal action against him for alleged high treason.
Separately, the judiciary's move to try Mr Musharraf for high treason is another potential distraction, because it is the executive authority that has to institute a case.
Wallace was betrayed by some of his own countrymen, defeated at the critical Battle of Falkirk, and brought back to England, where he was convicted of high treason.
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The defendants are charged with high treason, with alternative charges of terrorism and sabotage, over an alleged plot to overthrow the government through a series of bomb attacks last year.
Meanwhile, members of Pakistan's Senate passed a resolution that the former president should be tried on charges of high treason relating to his declaration of a state of emergency in 2007.
Jonathan Trelawny who was ordained in 1673, was one of seven bishops charged with high treason and imprisoned in the Tower of London for refusing to implement King James II's Declaration of Indulgence granting religious tolerance to Catholics.
In 1894, Captain Alfred Dreyfus was secretly arrested, wrongfully convicted by a court martial of high treason, sentenced to life imprisonment, stripped of his military rank and shipped off in chains to solitary confinement in the sweltering heat of Devil's Island, a French territory off the coast of South America.
The petitions in Islamabad High Court accusing Musharraf of treason were all filed by individuals.
And the president may be removed from office only upon impeachment for and conviction of treason, bribery, or other high crimes and misdemeanors.
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The move to charge him with treason follows an order by the Bangladesh High Court directing the authorities to explain the reasons for his arrest.
Madhuku's faith got a boost later in the week when Zimbabwe's high court acquitted the nation's opposition leader of treason counts.
And when the High Court convicted the 2000 coup leader, George Speight, of treason and sentenced him to death, the government accepted the guilty verdict.
Because treason is a capital offence, the case will be moved to the High Court, where the accused will be asked to enter pleas on Thursday, our reporter says.
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