 In an effort to curb the spread of this affliction, California Attorney General Kamala Harris and Mexico Attorney General Marisela Morales Ibáñez signed an accord in 2012 to expand prosecutions of criminals typically members of transnational gangs who engage in the trafficking of human beings between the two countries.Most countries have laws requiring workers to have proper documentation, often intended to prevent or minimize the employment of undocumented immigrants.However the penalties against employers are often small and the acceptable identification requirements vague, ill-defined and seldom checked or enforced, making it easy for employers to hire illegal labor.