Context: Portuguese law applied in the former colonies and territories and continues to be the major influence for those countries. Portugal's main police organizations are the Guarda Nacional Republicana – GNR (National Republican Guard), a gendarmerie; the Polícia de Segurança Pública – PSP (Public Security Police), a civilian police force who work in urban areas; and the Polícia Judiciária – PJ (Judicial Police), a highly specialized criminal investigation police that is overseen by the Public Ministry.

Question: Portuguese law continues to be a major influence for what?
Answer: former colonies and territories

Question: What is the Policia de Seguranca Publica - PSP (Public Security Police)?
Answer: a civilian police force who work in urban areas

Question: What is the Policia Judiciaria - PJ (Judicial Police)?
Answer: a highly specialized criminal investigation police

Question: Which entity oversees the Judicial Police?
Answer: the Public Ministry.