Describe the importance of the three separate sources of information from which the investigator seeks the relevant facts needed to reconstruct the past. Additionally, explain the importance of the investigative mind-set and how it can be beneficial to the process of criminal investigation.

Describe the importance of the three separate sources of information from which the investigator seeks the relevant facts needed to reconstruct the past. Additionally, explain the importance of the investigative mind-set and how it can be beneficial to the process of criminal investigation.