Rabbi Kaminetsky speaks about the Friedman-Epstein case

https://drive.google.com/file/d/0B5RfioaAq8LRZjBMTTc4Y19LaHdXSHpVR3hlblJfbXNYN0g0/view?

https://daattorah.blogspot.com/2015/11/tamar-epstein-heter-r-greenblatt-said.html

https://daattorah.blogspot.com/2015/11/tamar-epsteins-heter-r-shlomo.html

A careful reading of the letters at the above link shows that contrary to Rav Kaminetsky's claim in the recorded phonecall of non involvement - he not only was actively involved but  was in fact the sole reason for Rav Greenblat's heter