The cruel experiments they had performed on vampires.

How long can this cruel experiment in so-called "civilisation" be allowed to continue?

The children all were previously subjected to cruel experiments and treatment at a building referred to as the "School".

Even as a vampire, in his centuries of taking life, he had never performed such cruel experiments on humans or immortals.

I also conducted a cruel experiment involving service station attendants.

The scene takes place in a Frankensteinian laboratory, where cruel and unusual experiments are conducted on children.

An often-quoted letter states "How dare you try this cruel experiment out on white children."

It was a trick, a way of helping his mother, and a cruel experiment because he thought he knew best.

In her group of friends, dating is referred to as "the cruel experiment."

As the summer grew nastier, Rob found himself idly considering rather cruel experiments.