Her successor Karim Khan has also reported threats were made. He was later implicated in a sex scandal [2]. It would not surprise me if this was a Mossad sting operation.
[1] https://www.middleeastmonitor.com/20240528-israels-mossad-ch... [2] https://www.bbc.com/news/articles/cgeg738rvdeo
Edit: as the sibling comment states, the Americans have put in place sanctions against members of the HR council, along members of the ICC.