yes
crime
As soon as they are placed under arrest.
Yes, a person can be prosecuted for a crime committed in another country if the crime is considered illegal in both the country where it was committed and the country where the person is being prosecuted. This is known as extraterritorial jurisdiction.
The crime committed when someone threatens another person with a gun is typically considered assault with a deadly weapon.
When someone encourages or helps another person to commit an illegal act or crime, it is called "aiding and abetting." And, yes, you can be prosecuted for it.
Because a hate crime is when you attack someone because of their religion and homelessness is not a religion.
A felon.
One person verbally misrepresents another person on purpose.
Yes it is an offense. What matters is who the letter was ORIGINALLY addressed to and mailed to, not the machine printed forwarding address to where it ended up. The federal charge is "Intercepting Mail Belonging To Another."
Yes, it is still trespassing on another person's property
what a witness heard another person say about the crime
it is the crime of marrying a person when you are already legally married to another