Because of the changing nature of criminal activity and the role of the investigator, the objectives of a criminal investigation may be more complex than people imagine. Which of the following are objectives of criminal investigations?
I. Recover stolen property
II. Preserve evidence in crimes
III. Prepare criminal cases for prosecution

All of them

Explanation:

If you think about it all depends in the city or state you live in i would say all its a criminal investigators job to to the process of collecting evidence about a crime in order to determine if a crime has been committed then identify the perpetrator and  apprehend the perpetrator; and provide evidence to support a conviction in court. As far as im aware all three of your answers match the prescription.

the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?