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Additionally, there were no computers in the time that Christie was writing. So, in that sense, both Poirot and Marple were at a disadvantage, as running computer checks on suspects in a homicide increases the likelihood of clearance (Braga et al. 343). While it may
increase their clearance rate, both Poirot and Marple are equally successful without the use of modern day technology that investigators now have available to profile suspects. The next step Poirot usually takes is interviewing potential witnesses. The best example of this is
The Murder on the Orient Express, as he sits down with every person who had access to the train car where the murder happened. As there is a
large amount of people present, Poirot converses with all of them and tries to build enough trust for them to trust him with whatever information that they have. His way of talking differs from the men to the women, the elderly to the youth,
the British to the foreigner, and the extrovert to the introvert (Najar and Vaziri 177). This showcases the sheer amount of communicating and interviewing that Poirot is able to conduct for just one case. At the beginning of the investigation, Poirot has to take into account the fact that all of these people present may have been a witness to the murder. It is because of this that when witnesses are present fora homicide, there is a greater probability of the incident being cleared than those without witnesses (Braga et. al 343). It is through interviewing that Poirot finds the information to base
his criminal investigation on, and therefore clear his case. Miss Marple uses gossip as her interview tool and that can be seen as a substantial part of her investigative procedure. She does not use regular interviewing techniques, as that would raise suspicion from others. While in the midst of solving a crime, she is described as “sharp-eyed,
sharp-tongued, a vicious gossip with an incomparable information service and a desire to believe the worst (Barnard 107). Miss Marple’s brain functions as a hub for information that she slyly elicits from meetings, her concentrating on the gossips in the village revealing the psychological
60 mood of people and her realizing the wrongs with these people by
questioning their statements, make her more powerful than the professional male detectives, who are unable to recognize the complexities of human nature and the relationships among these people (Köseoğlu 134). However, because procedure in America puts particular emphasis on the craft of interviewing suspects to secure confessions Miss Marple’s procedure regarding how she personally gathers information will probably not bring about the highest clearance rate (Brookman et al.158). This is the reason why Miss Marple must catch the offenders she is chasing in the act of committing a crime, otherwise all of her evidence would be hearsay.
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