Answer: Option D
Explanation: In a sequential line, the victim identifies the culprits individually to verify is that the one who was actually involved in the crime. This method is known to be more effective and accurate than the other methods.
In this system the witness makes a judgement on the present line up members before asking to see the next. This method is used in both police stations and court cases.
Thus, from the above we can conclude that the correct option is D.