I can't blame a Shaper for trying to hide his past.

You went to a lot of trouble to hide your past.

Created a name he had prayed would hide his past.

He was pretty good at reinventing himself and hiding his past.

"I'm thinking she might be hiding her entire past."

Blake turns Yellow Dog into a model community, while hiding his criminal past, and plans to move on soon.

Maybe something will turn up later or maybe he's just that good at hiding his past.

A widow in a crisis is rescued by a man who hides his past.

In fact, the book contains several characters who are trying to hide or find their past.