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.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.