Excerpt from Attorney Ralph Behr’s Book. Street Smarts- Criminal Law 1.01 – What is Perjury?

CRIMES

50 ‘most charged’ crimes defined

PERJURY

To prove Perjury the following elements must be proven:

1. The person took an oath to tell the truth.
2. While under oath the person made a false statement that he/she DID NOT believe to be true.

Perjury can also occur by contradictory statements, as follows:

While under oath a person made statements which are contradictory.   Both statements were made knowingly and intentionally.