Does china have double jeopardy?

Double jeopardy involves a provision of the Fifth Amendment to the US Constitution that says a person may not be tried twice for the same offense. For a detailed discussion of the double jeopardy...

yes

It protects the accused from being arrested and tried over and over again on the same identical offense.

It means you can't be tried twice for the same crime: for example, once in a state court and then again in a federal one.

Double jeopardy means being tried in the same court for the same crime without new evidence. This is unconstitutional in the United States. Sometimes a person who is acquited of a crime like murder...