What I found useful from the media textbooks

Crime, Justice and the Media

I found the names of many sociologists whose work was relevant to my study, such as Dorfman (2001) who found Crime and war programs have received criticism when perpetrators or enemies are that "76% of the public said they formed their opinions about crime from what they read in the news."

Assessing the Research on Media Violence - exactly what is written in the book

Crime dramas remain enormously popular in movies, television and even computer games. When the good-guy police/detectives use violence against criminals, audiences experience a degree of satisfaction because they feel as though some sort of justice is prevailing.
consistently cast as people of specific social classes, races or nationalities. At times this has been done intentionality, as during World War Two when Japanese and German "enemies" were portrayed with negative stereotypes. In more recent years, reality television shows like Cops frequently feature working-class, African American, or Latino people in footage of "live"
chases or arrests.
Sam Peckinpah directed the hyperviolent The Wild Bunch in 1969. His claim that the incredible blood, gore and death in the film was intended to shock audiences into despair over the "real" human atrocities of Vietnam news footage to which audiences had become desensitized by daily viewing. The idea that violence on screen might move viewers to pacifism has a history that parallels the developmen of photography as a recording medium.