During his interviews with Special Counsel Robert Mueller's office, former National Security Adviser Michael Flynn told investigators that people with ties to the Trump administration and Congress contacted him in an attempt to interfere with the Russia investigation, Mueller wrote in newly unredacted court papers released Thursday. The messages could have "affected both his willingness to cooperate and the completeness of that cooperation," Mueller said, adding that "in some instances," his office was "unaware of the outreach until being alerted to it by the defendant." Flynn provided a recording of one of the voicemails he received, the filing said. In December 2017, Flynn pleaded guilty to lying to the FBI about his conversations with Russia's ambassador.

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