mass murderer

On the other hand, the people inside the house were mass murderers.

They are mass murderers of their own people - counting by thousands.

The aid workers say they know that some of the refugees may be mass murderers.

Mass murderers must understand there is a day of reckoning.

Every man who died there was a murderer, some of them mass murderers.

Mass murderers are changing the face of modern homicide investigations in every American city, village, and town.

Mass murderers are defined by one incident, with no distinctive time period between the murders.

If animals have rights equal to humans, then carnivores are mass murderers.

Mass murderers weren't generally given custody of minor children.

Think of some other killers, especially mass murderers.