We house some of the country's most ruthless criminals here.

By the boldest and most ruthless political operation in American history.

The next step was simply to crush opposition through the most ruthless form of police state.

"But this most ruthless rebel group and its leaders have walked out with one of the best deals," he said.

The message is loud and clear: only the most ruthless violence will be effective.

"How can any of them now say he was not a party to common murder in its most ruthless forms?"

They have the most ruthless and professional agents you'll ever meet.

They are the cruellest, most ruthless people in the world.

Victory would go to the side most ruthless in using its numbers to wear down the enemy.