{{Balsam}}
I can't fathom that sort of loss.
Don't torment yourself with what ifs...You were hoping they would give blood. Your heart and mind were in the right place. You weren't delusional neither was your child or any of your family. They like many others were deceived. There was no lapse on your part.
The Deluded Fanatics are those ignorant, power mad, members of the GB who think they are tools of the Divine when they are agents of senseless death. Then they have the gall to glorify these incidents like HAMAS does with their shahids.
Telling the story of your child will surely save many other lives. Few of us could ever say that about our own life course. Whenever this topic comes up in conversation, I will point them to AJWRB.org.