Answer:
stereotyping     
Explanation:
In social psychology, the term "stereotype" is referred to as a process that consists of an individual's over-generalized belief" related to a specific category of different individuals. The stereotype is considered as an exception that one person can have towards another person who belongs to a specific community or group. Therefore, the expectation can vary in terms of preferences, personality, capability, etc.
Stereotyping: The process of having a stereotypical behavior or personality towards the other person.
In the question above, the given statement is an example of stereotyping.
 
        
             
        
        
        
Answer: The investigator are wrong to be confident in their arrest because their is no perfect match in the finger print of the person been arrested and the one gotten from the crime scene. Because their have failed to compare the finger prints pattern seen in their records, to the one gotten from the crime scene.
The investigators are wrong in their arrest because one finger that has a whorl and loop fingerprint pattern cannot produce two different finger print pattern, which was gotten from the crime scene.
Another reason why the investigator are incorrect with their arrest is because, the crime record of the man arrested is very different from the crime committed. They should have traced the people with similar crime records, that has a similar finger prints with the one gotten from the scene.