You Have Been Called to Homicide Scene Where a Body

You have been called to homicide scene where a body has been found.It is your duty to determine the cause of death and determine how long the person has been missing from their home.Upon arrival,you notice that there are a great number of insects on and around the body.You also notice the body is dark green and there is a foul odor emanating directly from the body.Given these clues determine what stage of composition the body is in and discuss how you came to your conclusion.