Adolf Hitler. He committed mass genocide. Very evil man.
genocide
mass murder
If you're asking this you're a creep.
It is considered to be genocide as soon as mass killing becomes directed at a certain ethnic group.
A physicist.
Because the Indonesian army committed mass killing of Timorese people, as theyv were mostly christians and wanted freedom from Indonesia
The word you're looking for is "genocide."
mass-murder
mass murder
The holocaust was when Hitler tried to eliminate the Jews by mass murder and genocide. The cause was antisemitism turned evil.
Genocide is mass murder against a certain culture, such as the Nazi's exterminating Jews, homosexuals, communists, the disabled, black people, etc.