Rudy has unconscious urges to take things that are not his. He has never actually stolen anything, however. He works as a security guard at the mall and is very good at his job because he is very suspicious of others; he sees evidence of thieves all around him. In fact, almost every time he sees an unfamiliar face, he believed the individual to be dishonest and looking for something to snatch. Rudy's ego-defense mechanism is: