[SoJoCo]

Subject to Fourteenth Amendment protections, states are free to set their own standards with regard to how people are adjudicated mentally incompetent, and how the affairs of such persons are managed.

The 14th Amendment says that the state has the right to deprive a person of liberty or property so long as it is done with due process of law. So shouldn't that include the right to decide that a person convicted of a violent crime shouldn't be trusted with a firearm?

[supercat]

So shouldn't that include the right to decide that a person convicted of a violent crime shouldn't be trusted with a firearm?

Indeed it would, if such restriction were specified as an explicit part of the sentence for the crime. That's not how such restrictions are usually imposed, however.