Atroz (2015)

A woman has been brutally struck down by a car and the two drivers have been obtained by the police. The unorthodox commander-in-chief decides to check out the assailant's car for himself and makes a gruesome discovery on a camcorder. The video recorder features the relentless torture and murder of a prostitute. The police decide to deal out some justice of their own -- justice that would make even the criminals cringe -- by interrogating their perpetrators, they discover more videotapes exposing even more sexually deviant torture and murder.