CCN: Bitcoin Ransom: Hacker Group Releases Layer 1 Of “Damaging” 9/11 Papers.
[1]https://www.ccn.com/bitcoin-ransom-hacker-group-releases-layer-1-of-damaging-
9-11-papers/

References

   1. https://www.ccn.com/bitcoin-ransom-hacker-group-releases-layer-1-of-damaging-9-11-papers/