The answer in the space provided is experiments. It is because in order to produce causation or to likely have a cause of something in particular, they need to conduct experiments in which they will likely form new ideas and test this ideas to form something new that will cause and contribute to others and will be of gain of knowledge.
Referring to the case of 3 Individuals are found in a car crash and fire.
I believe the answer is <span>victim 3
Criminologist usually use </span><span>uses a fluorescent chemical called luminol in order to display left-over blood that are tainted in carpet or clothes.
After that, the Criminologist could compare the blood in the crime scene to the blood from the actual body of the victim for comparison.</span>
