They will often attack and belittle the person who is being critical, instead of dealing with the points the person is making. They do this usually because they have no defense against the criticism, they have been found out. So it's easier to destroy the reputation of the critical person instead." — Dr. David McDermott, What Is Narcissism? A practical guide to protecting yourself.
Narcissists constantly lie, exaggerate, and distort the truth to make you look crazy, abusive and bad. They provoke and bully, and do everything in their will to make you lose your temper in front of family and friends. They want you to look bad, whilst they act the victim. This tactics is called: Projective identification and Baiting. It's deceitful and treacherous.