The names of around 100 firms and individuals who allegedly used corrupt private investigators was handed from Serious Organised Crime Agency (Soca). Soca has come in for criticism over the way it has dealt with the case sparking a row over transparency.
In a letter to the Home Affairs select committee information Commissioner Christopher Graham wrote: "The documentary evidence we hold in relation to these clients is considered significant, and this gives us the best opportunity of instigating criminal proceedings."
The "blue-chip hacking" list was drawn up at the request of the committee and relates to Soca's Operation Millipede, which led to the conviction of the private detectives jailed for fraud in 2012.
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