What are two of the pros of using this type of forensic analysis? What are two cons of this type of forensic analysis? How does this type of analysis help to synthesize forensic, evidential and investigatory information from multiple sources?

Forensic Analysis

What are two of the pros of using this type of forensic analysis? What are two cons of this type of forensic analysis?
How does this type of analysis help to synthesize forensic, evidential and investigatory information from multiple sources?
How might the information obtained from this analysis help to generate a theory about the crimes.