The money behind the group, the professor said, comes entirely from private donors.

That sight was more than could be borne by one who stood a little behind the group.

He pointed behind the group, but none of them moved to collect the material.

A crowd of minors also begin running behind the group.

He watched four more sets of red lights appear behind the first group.

A voice came from behind the group of women.

You can lag behind the group a little, but when your hour is up you're expected to leave the garden.

He went into a church to pray, and fell behind the group.

The idea behind the group was the concept of family.

Four more men appeared, some twenty paces behind the first group.