Ratas, Ratones, Rateros (1999)
Ratas, Ratones, Rateros is a 1999 Ecuadorian film directed by Sebastián Cordero and starring Simón Brauer and Marco Bustos. It wasn't widely released until 2001 or 2002. It was nominated for Best Film of the Year in 2001 by the Spanish Goya Awards.
More at Wikipedia.