This possibility is referenced in Foundation and Earth where it is discovered that the Solarians possess a strong police force of unspecified size that has been programmed to identify only the Solarian race as human.
Ovo se produbljuje u djelu Foundation and Earth gdje se otkriva kako Solarijanci posjeduju policijsku silu nepoznate veličine koja je programirana da prepoznaje samo Solarijance kao ljude.