1.   And what it tends to prove is that it was not an uncontrollable irresistible impulse to fire when he did.

2.   They act spontaneously, he says, following uncontrollable impulses from childhood.

3.   The massacre had been planned and was not the result of an uncontrollable impulse.

4.   For months he had appealed to judicial authorities, the media and associations defending sex crime victims, warning he would commit crimes again because of his uncontrollable impulses.