Sinn Fein - which doesn't cooperate with the police HET team - has suggested an independent international truth recovery process, with UN backing.

BBC: Hutchinson debate flags up other questions of the past

Those lawyers had asked for Clarke to join the legal team, and they must decide whether their client will cooperate with the ongoing investigation.

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The team, including Nicola Clayton and Nathan Emery, discovered that the eight pairs were happy to cooperate, with some pairs solving the task straight away, others taking a day or two to work out that team-work was the key to getting their nibbles.

BBC: Rooks team up to solve problems

Armstrong already has had conversations with U.S. Anti-Doping Agency officials, touching off speculation that the team leader who demanded loyalty from others soon may face some very tough choices himself: whether to cooperate and name those who aided, knew about or helped cover up a sophisticated doping ring that Armstrong ran on his tour-winning U.S. Postal Service squads.

NPR: Lance Armstrong May Not Be Done Confessing