I have often asked the same questions.
One answer that is both devastating and liberating is -
I was not special in any way.
I was only available and vulnerable.
it could have been anyone.
It was not because I did or didn't do anything.
just the wrong place at the wrong time.
and I did nothing to cause or contribute to what happened.
I am off the hook.
Hope you can do the same for yourself.
"Tell your heart that the fear of suffering is worse than the suffering itself... And that no heart has ever suffered when it goes in search of its dreams, because every second of the search is a second's encounter with God and with eternity." - Paulo Coelho