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Mass murder - Wikipedia
Mass murder | Definition, Cases, Statistics, & Facts | Britannica
MASS MURDER Definition & Meaning | Dictionary.com
Mass Murder in America: Trends, Characteristics, Explanations, and ...
Mass killing - Wikipedia
State of the World: Mass Killing in 2021 | Early Warning Project
MASS MURDER | definition in the Cambridge English Dictionary
MASS MURDER Definition & Usage Examples | Dictionary.com
MASS MURDER | English meaning - Cambridge Dictionary
Mass murder Definition & Meaning | Dictionary.com