Founded in 2003, the Union of Criminal Police Officers, formerly known as the Union of Penitentiary Agents of the State of Rio Grande do Norte or simply SINDASP/RN, was constituted based on the State of Rio Grande do Norte.

With its current headquarters located at Rua. Raimundo Chaves nº 1981, Candelária, Natal/RN. SINDPPEN/RN is an autonomous, class-based, non-economic civil entity, aimed at defending the rights and collective or individual interests of Criminal Police, governed by a statute that defines its internal structure, organization and functioning.