Bill of attainder
a law that punishes a person accused of a crime without a trial or a fair hearing in court. Constitution prevents congress from passing this type of bills
Treason
you should not be able to because you did that crime you do the time and punishes
No, that is called a Bill of Attainder as they are expressly forbidden by the Constitution. A Bill of Attainder is specifically defined as a law that punishes an individual or group without a trial.
The Supreme Court does.
Opening someone else's mail is considered a federal crime.
no
Ex post facto law
In most cases you are defiling the property of someone else without their consent.
For starters driving without a license is a crime and if he kills him then he is just stupid.
Yes, signature forgery is a crime. It involves falsely replicating someone's signature without their permission, which is illegal and punishable by law.
Graffiti is a crime. Having had someone willfully deface your property without prior notice or intent to repair might clear this up for you.