The Death Penalty: Justice or Murder?

The issue of death penalty is always a controversial one. People may hold different views due to their distinctive angles. Some claim that it is a good way to prevent crimes, others, on the other hand, think that it is an evil thing to do, in all circumstances, to anyone. As far as I am concerned, I think that death penalty should be canceled because it may execute innocent people and it can't bring the victims back. In addition, there is no sufficient evidence that death penalty can deter crimes.
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