His forces have ruthlessly killed civilians here in the past.

This man had killed ruthlessly in the heat of battle, and now he was beginning to give some thought to the consequences.

The raiders had ruthlessly killed nearly all the workers and their families in the compound.

Where they found local resistance, they ruthlessly killed the population.

After a few generations of ruthlessly killing the worst mutations, the human stock was almost back to normal.

These hunters had ruthlessly killed a defenseless sentient being before their eyes- who knew how dangerous they were?

Straight was a pirate, and he had killed ruthlessly in the defense of his turf, but he kept his word.

Vincent quickly and ruthlessly killed the assassin responsible, Mosca.

Years ago he had ruthlessly killed a woman he had thought he loved because she threatened the family.

They were branded as traitors and ruthlessly killed.