Yet again, it provides me with a very limited measure of reassurance. It is absolutely right that you should not be able to take someone back to court to suggest a new offence has been committed on the basis of the polygraph, so that provides a measure of reassurance.
But I am mindful that if, for example, you are released on licence and you fail a polygraph test, it can be used to revoke your licence and place you back in prison. That is a pretty severe consequence for technology that has not been piloted. The reassurance is welcome in those terms, but you have to understand where else the ramifications of—