Jerome Kagan, a Harvard psychologist, predicts that the time will come when genetic tests will identify children who have a violent streak. Some people suggest that there may be hope for controlling crime through biological manipulation instead of through social reform.
हार्वर्ड का एक मनोवैज्ञानिक, जॆरोम केगन यह पूर्वकथन करता है कि ऐसा समय आएगा जब आनुवंशिकी परीक्षण उन बच्चों की पहचान कराएँगे जिनकी हिंसक प्रवृत्ति है ।