▁the ▁under ground ▁Mexican ▁economy ▁as ▁well , ▁in ▁order ▁to ▁secure ▁un tax ed ▁income ▁and ▁bring ▁stability ▁to ▁their ▁lives . ▁ ▁Vi ol ence ▁ ▁Am ores ▁per ros ▁contains ▁domestic ▁violence , ▁gun ▁violence , ▁and ▁animal ▁cruel ty . ▁The ▁domestic ▁violence ▁is ▁evident ▁in ▁the ▁relationship ▁between ▁Ram iro ▁and ▁his ▁wife , ▁Sus ana , ▁as ▁well ▁as ▁in ▁Val eria ▁and ▁Daniel ' s ▁relationship ▁as ▁they ▁both ▁begin ▁to ▁become ▁verb ally ▁and ▁phys ically ▁ag gress ive ▁after ▁Val eria ▁becomes ▁de pressed . ▁Gun ▁violence ▁is ▁seen ▁from ▁the ▁beginning ▁of ▁the ▁film ▁in ▁a ▁fr antic ▁car ▁ch ase ▁until ▁the ▁very ▁end ▁when ▁El ▁Ch ivo ▁hands ▁the ▁gun ▁to ▁the ▁two ▁business ▁partners , ▁leaving ▁them ▁to ▁fight ▁their ▁own ▁battle . ▁Last ly , ▁animal ▁cruel ty ▁is ▁quite ▁visible ▁in ▁the ▁dog ▁f ights ▁Oct av io ▁att ends ▁in ▁order ▁to ▁make ▁money ▁off ▁of ▁his ▁dog , ▁C of i . ▁The ▁dog ▁own ers ▁show ▁no ▁em path y ▁toward ▁their ▁dogs . ▁ ▁Production ▁Produ ced ▁by ▁Z eta ▁Film ▁and ▁Al ta V ista ▁Films , ▁production ▁began ▁on ▁ 1 2 ▁April ▁ 1 9 9 9 . ▁ ▁The ▁DVD ▁of ▁Am ores ▁per ros ▁has ▁a ▁comment ary ▁track , ▁by ▁the ▁director ▁and ▁the ▁screen play ▁writer . ▁A ▁controvers ial ▁aspect ▁of ▁the ▁film ▁is ▁the ▁dog ▁fighting ▁sequences . ▁González ▁I ñ ár rit u ▁explains