19. Z has to try and convince the jury that the killing
was in self defense. The Prosecution will base its case in chief on the idea that 1) there was no self defense, therefore 2) Z killing him was done without legal justification. The burden is then on them to prove that beyond a reasonable doubt. They will try and establish as many facts through evidence presented and testimony as possible which indicate the depraved mind standard required for a verdict of Murder 2.