BERNARD MAKGABO NGOEPE
It is possible that you can make a person a state witness 
so that you, even if you're not a state witness but though you are an accused, 
you can testify differently that even if he's your coaccused he will get 20 years 
and then he will get 18 months because you have made him a state witness so 
that you will be able to lighten his sentence to protect that it should be clear that 
he is a state witness.