PapNew’s mistake is conflating “crime” with “sin”. Whether something is criminal is a societal question - and the punishment for the crime is also a societal question.
The Bible teaches that “the wages of sin is death”, meaning unrepentant sin. Christ did not absolve every sinner of every sin, but rather created a means for the sinner to repent and thereby avoid eternal damnation for the criminal’s soul.
Salvation does not absolve the need to pay one’s debt to society - even if that debt is deadly.
Liberals have a tendency to do that with all moral acts of indecency. First they eliminated the "crimes" of Adultery and Buggery and legalized them.
Then they took the attitude that since the act is no longer a crime, that it should be considered acceptable behavior or in some cases preferred behavior.
Now in certain countries it is now a crime to call it a "sin."
It is a crime against women to speak out against abortion.
You are now a racist if you believe in the death penalty because blacks and hispanics are disproportionately affected by the death penalty (never mind that they are disproportionately represented in the class of people called Murderers.