Factual errors: When Emma is looking through suspect sketches at New Scotland Yard with the two detectives, the female detective says that the suspect is known by many different names, including "Louie" (or "Louis") "Guanella". Emma's response is "Of course... all names of Catholic saints." In the case of "Louie Guanella", this is incorrect. Luigi Guanella was a Catholic priest from Northern Italy, born in 1842 and died in 1912. Guanella was beatified in 1964 but has NOT yet been canonized (made a saint) by the Roman Catholic Church. He is therefore referred to as Blessed Luigi Guanella, not Saint (Luigi) Guanella.
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