They knew my background because I'd worked for them for a couple of years after law school.

He is a professional law enforcement person whose background we all know about.

If people didn't know his background he would make it up.

She knew very little of him, or his background.

Billy had gone to school with Chopper and knew his background very well.

We know his background, where he came from and who might look for him.

And it was only natural that she do so, he thought, knowing her background.

I never knew his background, but that was how he looked.

When we know our background and history, then we will also be able to build a sustainable future.

Of course, this desire to know a picture's background may have its drawbacks.