The Devil Inside (film)

The Devil Inside is a 2012 American supernatural horror film directed by William Brent Bell, and written by Bell and Matthew Peterman. It is a documentarystyle film about a woman who becomes involved in a series of exorcisms during her quest to determine what happened to her mother, a woman who murdered three people as a result of being possessed by a demon. Produced by Peterman and Morris Paulson, the film stars Fernanda Andrade, Simon Quarterman, Evan Helmuth, and Suzan Crowley, and was released theatrically on January 6.

On October 30, 1989, Maria Rossi Suzan Crowley committed a triple murder during an exorcism performed on her. The Catholic Church became involved, and she has since been in a Catholic psychiatric hospital in Rome. A news story and police investigation show the three members of the clergy whom she murdered. Her daughter, Isabella, learned of the murders from her father, who died three days after telling her.Twenty years later, Isabella Fernanda Andrade is in the process of filming a documentary about exorcisms and, to find out more about her mother, she visits a school in Rome. She meets two priests, Ben Simon Quarterman and David Evan Helmuth, who take her with them on an exorcism performed on Rosalita Bonnie Morgan. They bring along medical equipment to determine if its possession or mental illness. Rosalita attacks the crew after spouting out obscene remarks in different languages and accents. She calls Isabella by her name, despite not knowing her. Eventually, they get her under control. ........

Source: Wikipedia