1.Mr. A is walking down a dark street; he hears footsteps behind him and sees Mr. B. walking in the same direction. Mr. A, who has been diagnosed as Schizophrenic hears a voice telling him to kill Mr. B. believing that Mr. B intends to harm him, and not knowing right from wrong he pulls out a gun and kills Mr. B. who had done nothing to Mr. A. Mr. A's defense may claim: Insanity/Necessity Insanity/schitzophrenia Justification/self defense