For Years, Two Men Shuttled Messages Between Israel and Hamas. No Longer.
New York Times
Since 2006, Gershon Baskin, an Israeli peace activist, and Ghazi Hamad, a Hamas official, maintained a secret back channel between Gaza and Israel. Then Oct. 7 happened.
https://www.nytimes.com/2023/11/19/world/middleeast/israel-hamas-back-channel-gershon-hamad.html