He also faced charges of possession of firearms and ammunition with intent to endanger life.
Mr Edwards and Michael Cooper, 40, of Clacton, deny possession of a firearm with intent to endanger life.
Mr Abdulkadir, of The Fleet, Springfield, has also denied possessing of a firearm with intent to endanger life.
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He admitted wounding, possessing a firearm with intent to endanger life and dangerous driving at Liverpool Crown Court.
He's also charged with intending to cause an explosion likely to endanger life.
At an earlier court hearing, the trio all pleaded guilty to having the loaded revolver with intent to endanger life.
The men have now been charged with conspiracy to cause explosions of a nature likely to endanger life, police said.
The farmer was cleared of attempting to murder Fearon and of possessing a pump-action shotgun with intent to endanger life.
The men appeared at Stoke-on-Trent Crown Court charged with conspiracy to cause explosions of a nature likely to endanger life.
Paul Maguire admitted the unlawful possession of an improvised explosive device with intent to endanger life or cause serious injury to property.
Ex-worker Thomas Richardson and Mark Hall of Haverhill, Suffolk, appeared at Cambridge Crown Court to deny arson with intent to endanger life.
The two younger men charged with the murder have also been charged with possession of a firearm with intent to endanger life.
Brian Calvan, Dominic Dynes and Brian Sheridan pleaded guilty at Belfast Crown Court to having a loaded revolver with intent to endanger life.
Anthony Thomas Friel, 31, pleaded guilty to possessing the explosive devices and component parts with intent to endanger life on 21 May 2011.
In December Jonathan Taylor, 49, of Southwell Road, Norwich, admitted doing an act with intent to cause an explosion likely to endanger life.
Milos Gontkovic, 25, of no fixed address, is charged with doing an act with intent to cause an explosion likely to endanger life.
Majid Hussain, 19, of Belgrave Road, Hathershaw, Oldham, was jailed for six years after also admitting possession of an explosive substance with intent to endanger life.
Ilyas was also found guilty of being reckless as to whether life was endangered, but he was cleared of arson with intent to endanger life.
Copeland was given six life sentences in June 2000 for three counts of murder and three counts of causing explosions in London in order to endanger life.
He received six life sentences, with a minimum of 50 years in prison, for three counts of murder and three counts of causing explosions to endanger life.
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Mr Wilkinson is also charged with possession of a firearm with intent to endanger life and Mohammed Ali, 32, from Chadderton, is accused of assisting an offender.
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Mr Evans and Mr McGrath were each charged with the unlawful possession of a 9mm calibre Beretta semi-automatic pistol and seven rounds of ammunition with intent to endanger life.
Mr Wilkinson is additionally charged with possession of a firearm with intent to endanger life and Mohammed Ali, 32, from Chadderton, Greater Manchester, is accused of assisting an offender.
His appeal against additional convictions on six counts of attempted murder and one of possession of firearms and ammunition with intent to endanger life, was also allowed by the Court of Appeal.
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Daniel Fitzsimmons, 31, was found not guilty of possession of a firearm and Hannah Barton was cleared of conspiracy to possess firearms with intent to endanger life and conspiracy to supply controlled drugs.
He admitted arson with intent to endanger life.
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The jury of three men and nine women was told that in 2009 Mr Alexander, a former Army Royal Engineer, admitted similar offences and charges including possessing firearms and ammunition with intent to endanger life.
Police said Mr Cain and Mr Bulger had also been charged with attempted murder, possession of a firearm with intent to endanger life and attempted robbery in connection with an attempted robbery that took place at Longsands Lane in Fulwood, Preston, on 26 March 2010.
Prosecutors have argued that leaking a CIA officer's name could endanger the life of the operative.
Bizarrely, Mr Chikane, whose brother Frank was chief of staff to South Africa's former president, Thabo Mbeki, let Zimbabwe intelligence agents accompany him to his meeting with Mr Maguwu, despite warnings that this could endanger the NGO man's life.
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