Christian philosophers and theologians explain that there are causal links between mass murder and atheism. Atheism, lack belief in God, have the following characteristics that can lend itself to mass murder and can explain why the greatest mass murderers were atheists:<ref>Peter Kreeft and Ronald Tacelli, Christian apologetics</ref><ref>Joseph de Torre, Christian philosophy</ref><ref>Contemporary Philosophical Issues in Historical Perspective, Manila: UA&P, 2000</ref> | Christian philosophers and theologians explain that there are causal links between mass murder and atheism. Atheism, lack belief in God, have the following characteristics that can lend itself to mass murder and can explain why the greatest mass murderers were atheists:<ref>Peter Kreeft and Ronald Tacelli, Christian apologetics</ref><ref>Joseph de Torre, Christian philosophy</ref><ref>Contemporary Philosophical Issues in Historical Perspective, Manila: UA&P, 2000</ref> |