evidence

You are a crime scene investigator on a homicide, and you find that you  have several types of evidence that must be photographed, logged, and  recovered from that scene. More specifically, there is drying blood on  the floor that needs to be collected, a handgun and several shell casing  near the victim, and several hairs that are still in the hand of your  deceased victim. For this assignment, you are to do the following:  This needs to be 3-5 pages 

• Explain how you would recover dried blood, a handgun, shell casings, and hairs that are at the crime scene.
• What tools you would use to recover the evidence?
• How would you package the evidence for safekeeping and transportation? 
• What types of tests could be performed on this evidence at the crime lab?
• Provide APA citation and references for your material.