What are two of the pros of using this type of forensic analysis?- What are two cons of this type of forensic analysis?

Forensic Analysis

Answer each of the following questions as thoroughly as possible. Pick two types of forensic analysis.For each, answer the following questions:

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.