In the movie the man who murders the people has Borderline Personlity Disorder. I myself have this. It give us a stigma that we are dangerous. I suggest all to look it up on the net. Yes, it is Fiction, but people do not get the real idea about the illnesses. Borderline people get lonely and depressed and more likely to hurt themselves along with Bipolar and Depression.<br /><br />Borderline Personality Disorder DSM IV Criteria<br /><br />A pervasive pattern of instability of interpersonal relationships, self-image, and affects, and marked impulsive beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following: <br /><br />1. frantic efforts to avoid real or imagined abandonment. Note: Do not include suicidal or self-mutilating behavior covered in Criterion 5.<br /><br />2. a pattern of unstable and intense interpersonal relationships characterized by alternating between extremes of idealization and devaluation. <br /><br />3. identity disturbance: markedly and persistently unstable self-image or sense of self. <br /><br />4. impulsive in at least two areas that are potentially self-damaging (e.g., spending, sex, substance abuse, reckless driving, binge eating<br /><br />5. recurrent suicidal behavior, gestures, or self-mutilating behavior <br /><br />6. affective instability due to a marked reactivity of mood (e.g., intense episodic dysphoria, irritability, or anxiety usually lasting a few hours and only rarely more than a few days). <br /><br />7. chronic feelings of emptiness