Question

1. what is the first step forensic scientists must do to analyze evidence?

make a sculpted design of the evidence using clay or plaster of paris.
determine the probability of the evidence being linked to the suspect.
compare the evidence against known samples provided by the suspect.
take measurements to identify the characteristics of the evidence.

Explanation:

Forensic analysis starts with identifying evidence characteristics. Measuring helps in understanding what the evidence is. Sculpting, probability - linking, and sample - comparing come after initial identification.

Answer:

Take measurements to identify the characteristics of the evidence.