For years now, it has become one of the world's hard-rock truisms that Israel's occupation is "illegal," repeated reflexively throughout the world's media and spawning the Boycott, Divestment and Sanctions (BDS) campaign to isolate and delegitimize the Jewish state. So, you can understand if these critics were somewhat flummoxed last July when a respected juror, former Israeli Supreme Court Justice Edmond Levy, concluded "Israeli settlements are legal under international law."
https://www.thedailybeast.com/are-critics-of-israeli-occupation-getting-nervous