 the number and percentage of persons belonging to certain racial or ethnic groups who are victims of aggression or other offenses, especially when it is committed by state agents;  the absence or scarcity of complaints, prosecutions and judgments concerning acts of racial discrimination in the country, which should not be regarded as necessarily positive, contrary to the view of some states;  proportionately higher rates of delinquency attributed to persons belonging to racial or ethnic minorities or marginalized groups;  the number and percentage of persons belonging to such groups or minorities who are detained in criminal or administrative detention, including administrative detention centres, penitentiary centres, psychiatric establishments or waiting areas at airports;  the imposition by the courts of more severe or inadequate penalties for persons belonging to such groups or minorities;  the insufficient proportion of persons belonging to these groups or minorities who are included in the police and judicial staff, including judges and jurors, as well as in other law enforcement agencies. States are required to collect regular and public information on this matter from the police and judicial authorities in order for publicise these factual indicators. = Among the "legislative" indicators, the General Recommendation considers that they should be regarded as indicators of the causes of potential racial discrimination:  on the one hand, the gaps that may exist in national legislation concerning racial discrimination;  on the other hand, the indirect discriminatory effects which certain national legislations, in particular legislation on immigration, nationality, the fight against terrorism, penalties providing for the prohibition or removal of national territory against non-citizens, as well as legislation that has the effect of penalising certain groups belonging to certain communities without legitimate reason. -b- Regarding "strategic" measures, states are requested to develop national strategies with the following objectives:  to eliminate laws that have a social discriminatory effect, especially those that indirectly target certain groups or those that apply only to non-nationals without legitimate reason;  to develop training in human rights and interracial or inter-ethnic understanding for law enforcement officials: police, gendarmerie, justice, penitentiary, psychiatric and social staff, medical and other;  to promote dialogue and consultation between the police and