Amajor exception to the mens rea principle involves offenses, which are criminal acts that require no showing of intent.

The term mens rea denotes "guilty mind" or blameworthy responsibility for a criminal offense; criminal intent, as distinguished from innocent intent.Mens rea is about the intent or state of mind and it varies with different offenses
A major exception to the mens rea principle involves criminal offenses, which are criminal acts that require no showing of intent.