system
Given the following post, respond as if you're commenting on Reddit:
human
I believe that combat between two consenting adults, up to and including dueling, should be legal and regulated. CMV.

I believe that if two people choose to engage in a fight, they should be allowed to do so.  Ideally, it would be regulated in such a way that either participant could reasonably withdraw their consent, and bystanders were not placed at risk.  I would imagine this including an agreed upon arrangement, stipulating the limits of the conflict, and an official (possibly a police officer) who would ensure that the limits are observed.  Should either party violate the agreements, or place a bystander at risk, they would be held criminally liable.  

The saying generally goes, "violence is not the answer," but the fact is that often times it is AN answer, and statistically, it's one of the most commonly used.
gpt
Here is a scenario where what you are describing legalizes murder and kidnapping.

3 people want 1 person dead (not an unlikely scenario).  These 3 people kidnap and take the 1 person out to the woods and kill him.  Then they report that 1 of the 3 was dueling him, while each of the other two were the dueler's respective seconds.  

They testify that it was an agreeable duel and the man who died did so under his established guidelines.  He isn't alive to tell the truth.