In “Part I: The Exorcist as Hero”, Cuneo describes America's surprisingly widespread fascination with exorcism. He points out two major contributing factors: the influence of the mainstream entertainment industry and the impact of contemporary cultural attitudes on society.

He discusses the novel and film of The Exorcist, claiming that its instant media attention sparked an avid interest in the healing power of faith. Since Blatty created the narrative from a supposed exorcism case, audiences across the nation had difficulty in separating reality from fantasy. Cuneo believes there was an overwhelming consensus regarding the image of the two Fathers who performed the exorcism--that of self-sacrificing heroes who commanded respect for the Church. It was not their scientific expertise that helped them wage the battle against evil, but rather their faith and knowledge of mysterious powers that saved Regan.

Consequently, from the mid to late-1970s, almost every media outlet concerned itself with exorcism and its validity. Newspapers, radio casts, talk shows, and even a series of related films were released (Devil Times Five, The Possessed, Good Against Evil, etc.). Furthermore, possibly because the entertainment industry is known to shape public opinion and capture the national psyche, there was a sudden increase in possession cases reported to Catholic rectories.

Throughout the rest of the section, he argues that modern US culture supports the use of exorcism. It is apparently readily available, cheap and fast; it does not require a lot of time and investment like many other treatments. Exorcism practices are also morally exculpatory, in that they place the blame of one’s problems outside of the self—it is essentially a guilt-free process. These are all precisely American values. In addition, it can even be seen as an alternative therapy. Since the current biomedical system is often unfeeling, heavily bureaucratic, and too technical, such therapies are seen as comforting and supportive. In line with Cuneo’s ideas, instead of seeing the problem as cholesterol or genes, many Americans actually think of it as a demon. Exorcism offers the possibility of a fresh start—a rebirth of sorts.

However, he acknowledges the fact that not everyone is equally influenced by the media nor our current cultural ideals. He maintains that exorcism is a “ritualized placebo”—those who want it to work, will believe it to work, and will actually feel changes as a result.

In continuation, though Cuneo watched hundreds of exorcisms, he never witnessed any strange happenings. He attributed many conditions to sound medical, social, or psychological causes. Since people report its efficacy though, he concludes that the practice has the potential to be advantageous, but not in the ways as advertised by the media.  One can only judge its effectiveness on a personal level.  Overall, American exorcism tests the limits of traditional religious values, pop culture, and current beliefs in psycho-spiritual healing practices, thus shaping the face of modern religion.

Based on his best-selling novel, The Exorcist was written and produced by William Peter Blatty, who worked alongside Hollywood director William Friedkin. The film was influenced by an actual exorcism case involving the supposed demonic possession of a fourteen-year-old boy in a suburb of Washington D.C. A student at the Jesuit Georgetown University at the time, the young Blatty felt that the boy's eventual healing was proof of the devil's existence, and thus the power of God, heaven, and faith.

The film recounts the story of Regan, a pre-pubescent girl living with her single mother, Chris MacNeil, in a posh Georgetown suburb. All is going well until Chris hears strange sounds in the attic, which is followed by a series of peculiar behaviors elicited by Regan. She becomes unruly, urinates in front of guests, and uses gratuitous profanity among other things.

Her mother is shocked and desperate, so quickly consults a team of doctors for her care. Regan undergoes several intensely painful medical procedures, but nothing seems to give definitive physical results. After the death of a family friend and her continually dangerous behavior, the doctors 'give up' and resort to religious means. They suggest the ritual of an exorcism in helping Regan get back to her usual self.

Chris approaches Father Karras to perform the exorcism. After much hesitation and doubt on his part, he eventually agrees to do so under the instruction of the experienced Father Merrin. What ensues is a fight between good and evil, where both sides pay a price for the liberation of little Regan.

Overall, The Exorcist proved to be a breakthrough in contemporary horror film, setting the stage for future successes in this genre. On the surface, the film was popular because of its cinematic craftsmanship, successfully achieving basic elements of a horror film and portraying supernatural events as highly realistic for its time. Additionally, on a deeper level, its exploration of controversial issues tapped into the true fears and concerns of crowds at large. Both of these cinematic and thematic aspects contributed to the film's wide appeal.

This annotated bibliography provides a brief list of sources that investigate these topics.

(It should be noted that there are certainly several controversial themes highlighted in the film. Such include, but are not limited to: female and child victimization, uncontrollable youth, violation and disfigurement of the body, offensive language, sexual vulgarity, desecration of the Catholic Church, breakdown of the family, destruction of the home, etc. Since this project only entails ten items, I have chosen to focus on one overarching issue that the film forces us to contemplate--the roles of religion and science/modern day medicine in the healing process. I present four sources that offer differing views on this; the other six describe cinematic techniques, of which two assess their credibility based on audience reaction.)

Klemesrud, Judy.  "They wait hours--to be shocked."  New York Times on the Web  27 Jan 1974.  
     University of Pennsylvania Library, Philadelphia 9 May 2008.  
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This is a NY Times article written about a month after The Exorcist was released in theatres. Klemesrud stood in a massively long line, interviewing ticketholders and employees at Manhattan’s Cinema I complex. She found out that previous moviegoers had not only vomited, but also hurriedly left, fainted, screamed, endured heart attacks—and one even reportedly had a miscarriage due to the horrific scenes.

Many people waited for up to twelve hours to be able to see how the impossible would be represented on screen. The crowds wanted to see flying objects, spinning heads, levitation, and not to mention the morbid scenes capturing blood, vomit, guts, and gore. Several fans wondered if parts of the book would actually be represented in the film—such as the taboo masturbation-with-the-cross incident and gratuitous language use, among other possibilities.

Some of the interviewees were seeing the movie for the third or fourth time. In fact, one reported feeling “contaminated” when they left the theatre, unable to get rid of the images and feelings aroused during previous views. Even though he had been having terrifying dreams ever since, he still wanted to see it again because of its extreme shock factor.

People leaving the theatre commented on how accurate the film was in comparison to the book, and remarked how “there’s nothing else like it”. Klemesrud goes on to quote a Chicago newspaper, which reported a psychiatric hospital admitting six people who had seen the film.

In considering this historical report, The Exorcist seems to have realistically transmitted a sense of fear and threat; so much so that it managed to provoke all of these reactions and predicaments among its viewers. It can be inferred that the cinematic techniques employed throughout the film played a large role in bringing about these truly terrifying sentiments. Had these special effects not been believable and successful in capturing people’s greatest fears, the film would not have been enjoying so much box office prosperity.