And if that were so, what had happened to her daughter?

All of us want to find out what happened to your daughter.

For what had been allowed to happen to her daughter?

He did not seem to care much what had happened to his daughter, or why.

Now he wants Mike to explain what happened to his daughter.

You read about that sort of thing all the time, but never believe it could happen to your own daughter.

"Would you like to hear the story of what happened to your daughter?"

She was trying to understand what had happened to her daughter.

"One was to tell the father what had happened to his daughter."

I'm simply concerned about what has happened to our daughter.