Look up the terms asperger and psychosis under the DSM-IV. They are quite distinct.
It is not justifiable to confuse being Aspergic with having disorder involving psychoses. Neither is it justifiable to use the actions, by themselves, of any given individual with a physical or psychiatric condition as an excuse to harass or conduct higher levels of supervision/surveillance on others with similar conditions. Individuals are just that, individual, and any risk assessment should be done on that basis not some over-reactive, knee-jerk reaction to whichever witches the media decide need hunting or Joe Public panics about.