Machiavellianism (willingness to manipulate and deceive others), Narcissism (egotism and self-obsession), Psychopathy (lack of remorse and empathy), Sadism (ple

Machiavellianism (willingness to manipulate and deceive others), Narcissism (egotism and self-obsession), Psychopathy (lack of remorse and empathy), Sadism (pleasure in suffering of others) in REAL World