The document discusses police reform efforts in Mexico, including the implementation of measures like "control de confianza" (integrity tests for police officers), internal affairs units, and "mando unico" (centralizing police forces under state control). It notes the reforms have progressed slowly and unevenly due to lack of standards, political will, and corruption. While some measures like integrity tests and internal affairs units have been established in most states, experts doubt their effectiveness due to manipulation of results and lack of proper staffing and oversight. The debate around "mando unico" remains divided, as critics argue centralized state police may not be more trustworthy and local community policing is important.