Billy Duggan, 21, was found guilty of perverting justice and conspiracy to pervert justice.
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As well as abduction and murder, he also denies intending to pervert the course of justice.
Mrs Brooks was then re-arrested on 13 March on suspicion of conspiring to pervert the course.
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He admitted attempting to pervert the course of justice by escaping from the court.
Yassar Adalat, 31, of Milton Place, Halifax, has denied conspiring to pervert the course of justice.
The pair also deny a charge of conspiracy to pervert the course of justice.
The 56-year-old denied attempting to pervert the course of justice over an incident in September 2010.
His former girlfriend Maxine Carr denies helping an offender and conspiring to pervert the course of justice.
Kenneth Darcy, 50, and John Thompson deny a charge of conspiracy to pervert the course of justice.
Mark Bridger, 47, denies abducting and murdering April as well as intending to pervert the course of justice.
The CPS said there was not enough evidence to charge anyone with attempting to pervert the course of justice.
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Sweeney, of no fixed address, was also convicted of trying to pervert the course of justice, an accusation he denied.
Mrs Brooks already faces three counts of conspiracy to pervert the course of justice, linked to the investigation into phone hacking.
This was an attempt to conceal the evidence implicating him in fraudulent activity and an attempt to pervert the course of justice.
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He was also cleared of attempting to pervert the course of justice.
Kowalczyk, was convicted of causing death by dangerous driving, conspiracy to commit fraud and doing acts tending to pervert the course of justice.
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Judges at the Court of Criminal Appeal in Edinburgh have still to rule on her conviction for attempting to pervert the course of justice.
At Edinburgh Sheriff Court last month he was found guilty of attempted fraud, wasting police time and attempting to pervert the course of justice.
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The 47-year-old is also charged with attempting to pervert the course of justice which refers to the unlawful disposal and concealment of a body.
He then told Ms Hainey that in the circumstances, the second charge against her, of attempting to pervert the course of justice, was also quashed.
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Fifteen people have been charged, eight of them with offences related to phone hacking and the others with conspiracy to pervert the course of justice.
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Mr Bridger also denies intending to pervert the course of justice.
The defendant also denies intending to pervert the course of justice.
Under the second set of charges, Ms. Brooks has been accused of conspiring to pervert the course of justice in relation to the police's phone-hacking probe.
Artur Okrutny, 23, from Briar Road, London, who was convicted of committing acts tending to pervert the course of justice, was sentenced to a year in prison.
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The rules these lawyers play by and the devices they employ to pervert these rules, are not well understood by their clients or anyone else for that matter.
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They were charged in May, along with Brooks' former driver, a security guard and members of News International security staff, with attempting to pervert the course of justice.
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Since then, police have arrested dozens of current and former News International employees on suspicion of phone hacking, bribing police and conspiracy to pervert the course of justice.
The defendant, who is from Machynlleth, also denies a charge of attempting to pervert the course of justice, which refers to the unlawful disposal and concealment of a body.
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