The problem with stereo-types is- that anyone just similar looking goes in the &quot;usual suspects bag&quot;. If some hacker would went on a automated killing spree- everyone beeing pale, having glasses and drinking too much coffee suddenly would be suspicious.<p>Thats really troubling. How to solve this ? I mean, dirty-workaround-solve this, not wishfull thinking reeducate solve this.<p>Some karma system, involving how much a person is socially connected, how much it contributed to society, how much it got planned, how much is at stake in its life?<p>But however you refine that algorithm- you catch a lot of unwanted fish, and someone like mohamed atta slips right through. This is really tough.
I guess the best indicator is how mono-thematic your life is. If all your searches, all your interests and all your communication partners are &quot;themed&quot; - you desserve some suspicion. He is a math-expert, get him.