A seasoned Capuchin priest renowned for conducting exorcisms. He travels to Iowa to investigate Emma's case, leads the intensive 23-day ritual with prayer and confrontation, and successfully drives out the ancient unclean spirits during the final 72-hour stage.
They work within the same religious institution to manage the possession case.
A pre-existing personal connection motivates Riesinger's dedication to her case.
Both priests collaborate throughout the exorcism, with Steiger initially reluctant but eventually fully committed.
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