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CSI: Crime Scene Investigation - Burning Star Case, Study notes of Forensics

Universiteit Antwerpen Management SchoolForensics

The steps taken by Grissom and his team during the investigation of a crime scene referred to as the 'Burning Star' case. The team collects evidence from the scene, including shoeprints, fingerprints, and a stab wound impression. They analyze the evidence in the lab and interview suspects to identify the victim and the perpetrator. The document also includes information about the victim's cause of death and the use of facial reconstruction to help identify the victim.

Typology: Study notes

2021/2022

Uploaded on 08/05/2022

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CASE THREE: BURNING STAR
Grissom's Office
Click on Grissom to have a conversation with him.
1. How can I help? PDA and field kit will be needed.
Locations - Crime Scene
Talk to Nick.
1. What happened here? 2 teenagers found a burned out car with a body.
2. Where is the body? Sent it to the morgue w/ Dr. Robbins
3. How do I open a locked car? Look for keys to open the trunk and glove box.
4. What should I do with the footprints in the sand?
a) Ignore the animal prints
b) USE the casting mix in kit to make an impression.
Find keys from the front seat in the car. Click on keys. To open Glove box drag keys from the evidence
section and place it over the glove box.
Use the keys to open the trunk and collect the Empty Liquor Bottle.
5. Are we finished? More evidence
6. What is in the glove box? A road atlas
7. What is in the trunk? A bottle
8. What three pieces of evidence could be found?
Evidence
How is it processed in lab
Keys
Bottle
Footprint
Use Casting Mix (under TOOLS) to collect shoeprint on the sand.
9. What are the steps involved in casting a print?
a) Spray with hairspray
b) Water in the bowl with the casting mix
c) Stir and then pour into the area
d) Let it set
e) Remove cast and take it
Click on NICK. Are we finished? Go to Headquarters.
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CASE THREE: BURNING STAR

Grissom's Office

 Click on Grissom to have a conversation with him.

  1. How can I help? PDA and field kit will be needed.

Locations - Crime Scene

 Talk to Nick.

  1. What happened here? 2 teenagers found a burned out car with a body.
  2. Where is the body? Sent it to the morgue w/ Dr. Robbins
  3. How do I open a locked car? Look for keys to open the trunk and glove box.
  4. What should I do with the footprints in the sand? a) Ignore the animal prints b) USE the casting mix in kit to make an impression.  Find keys from the front seat in the car. Click on keys. To open Glove box drag keys from the evidence section and place it over the glove box.  Use the keys to open the trunk and collect the Empty Liquor Bottle.
  5. Are we finished? More evidence
  6. What is in the glove box? A road atlas
  7. What is in the trunk? A bottle
  8. What three pieces of evidence could be found?

Evidence How is it processed in lab

Keys

Bottle

Footprint

 Use Casting Mix (under TOOLS) to collect shoeprint on the sand.

  1. What are the steps involved in casting a print? a) Spray with hairspray b) Water in the bowl with the casting mix c) Stir and then pour into the area d) Let it set e) Remove cast and take it  Click on NICK. Are we finished? Go to Headquarters. ===========================================================

At headquarters scan the labs using the mouse and find the entrance to the morgue.

The Morgue (first visit)

 Talk to Dr. Robbins. At the end of the dialogues, you'll get the Victim's Blood as one piece of evidence.

  1. Have you finished the autopsy? Yes
  2. Who is the victim? Sex: female Approximate Age: 20 – 25 Weight: 115 lbs Height: 5’5”
  3. How was the victim identified? DNA from bone marrow
  4. What two other pieces of evidence could help identify the victim? a. Blood DNA – CODIS or Missing persons b. Teeth – dental x-rays and comparisons
  5. How long had she ago did she die? 2 – 3 days
  6. Did anything else happen to her? The animals had started eating her
  7. Doc, do we have a cause of death? She has a stab wound to the breast puncturing the heart.
  8. Do we have an idea about the weapon used? No, but it was approximately 5 inches long with striations. You will need to make a wound impression.

Use the Impression Gel to collect the Stab Wound Impression from the victim. To leave morgue click the hallway exit on the far right

The Lab (first visit)

Catherine Willows will assist you.

  1. How do I process the evidence? Drag it to the appropriate machine to test it.
  2. Could you tell me about the equipment? Use the mouse to scan machines to get a basic description and location. a) DNA – hair, blood, spit, sweat – CODIS b) Fingerprint – powders and chemicals check in IAFIS c) Digital Forensics station – data base search, computer or flash drives – makes a copy d) Light Table – analyzing and comparing large evidence – shoe prints. e) Tool Mark impressions- then compare it under microscope.  You need to analyze two pieces of evidence during this visit in the Lab. Click and then drag the evidence to an appropriate station (when the evidence glows yellow, it means you can analyze that evidence there) and follow the instructions to complete the analysis.
  1. What affects tissue depth markers? Age, Sex, and race
  2. How many will be used? 33
  3. How can we tell skin features a. Deduce from bone structure b. Teeth height tells thickness of the lips c. Width of the eye sockets tells about the eye lids and eyebrows.
  4. What is the most common eye color? Brown
  5. What should you be alert about? Eye color and hair color  To show a photograph click on the icon in the evidence section then click on the person you want to show the photograph to.

Agent's office (first visit)

  1. Who will assist you? Agent Stokes
  2. What do we need to search the area? A warrant unless you have permission
  3. What does Wan want? Proof

Talk to Wan. The agent is not cooperative this time, but dialogues with him will trigger the message from Grissom to unlock another location.

  1. Who is Wan? Talent agent
  2. Wan asks you, “What is this about?” Investigating the murder of a Jan Doe in the desert.
  3. Would he mind if you looked around? No  Message
  4. What does the message say? 21 year old missing that fits description.

Reynolds’s House (first visit)

  1. When you drive up what is unusual about the Truck in the drive way? Broken window.
  2. Click on the broken window. What is in the front seat? A knife  Click on the front door
  3. Why does Mrs. Sallie Reynolds think that you are there for? Her missing daughter
  4. When was the last time she saw her? 2 days ago when she sang at her concert.
  5. Who was Lawrence? Boyfriend
  6. Would anyone want to harm done? No  Show the reconstruction picture to Mrs. Reynolds.
  7. What did she say? It looked like her daughter but the eyes and hair color are wrong.
  8. Can I have a DNA sample? Yes  Collect a cheek swab from Mrs. Reynolds.
  1. How much of a DNA match should there be between mother and daughter? 50%  Interview Lawrence
  2. When was the last time you saw her? 2 days ago
  3. What happened? We split up because she was acting strange through dinner.
  4. How strange? Nervous and on edge.
  5. Is there anyone who would want to hurt her? No, but I never liked her agent.  Show Lawrence the picture.
  6. What does he think about the picture? He can’t be sure
  7. What other evidence can you get from the table? Diary
  8. What does it say? She was planning a break up  Look in the trash can
  9. What are 4 pieces of paper found in the trash can? a. Shopping list b. New agency letter c. Receipt d. Remember to call mom
  10. What two clues were in the trash can? a) Letter to fire her agent b) Receipt saying she had dinner with someone
  11. What else can be checked? The computer for emails.

The Lab in headquarters (second visit)

 You need to analyze four pieces of evidence during this visit in the Lab. Evidence Processed Computer Sally R. DNA Hunting Knife impression Hunting knife fingerprint  Run a DNA family comparison on the DNA from Sallie Reynolds.

  1. What did you learn from the DNA profiles? Sallie Reynolds was her mother
  2. How many markers are identical? 50% of them
  3. Where does the other 50% come from? The father

Reynolds’s House (second visit)

Talk to Lawrence (if you get a swab from the tools and carry over to Lawrence it will start the next conversation)

  1. Who owns the vehicle out front? Lawrence does
  2. There was a hunting knife inside, was it yours? No not his
  3. Did you know that that a window was broken on your vehicle? No, it was not broken when he came into the house.
  4. Can I have your fingerprints and a pair of your shoes? No problem.  Brass contacts you
  5. What does Brass want? The No1 fan is Gabriel Tam

Tam's Apartment

Talk to Nick Stokes

  1. Can I search the apartment? Ask permission
  2. What do I need? A warrant or permission form Tam.
  3. How can I show that Tam is the #1Fan? Ask him then see if there is evidence in the computer.
  4. How can I collect the shoes? See if you can find them.
  5. Are you finished? Talk to Tam  Talk to Tam.
  6. Did you know Freebird Reynolds? Not personally put a fan, I saw her concert.
  7. Do you know who killed Freebird? No, but I saw her and her boyfriend having a fight after the concert.
  8. Did you ever e mail Freebird Reynolds? No, I liked her music.
  9. Can I check your computer? Sure
  10. Why did they have to be careful? Tam put some personal security on the computer.
  11. Can I look around your apartment? Yes, I have nothing to hide.
  12. I will also need your fingerprints, Can I have them? Yes.  There are three pieces of evidence to be collected in the apartment.

Evidence How is it processed in lab

Sword Shoes Fingerprint

The Lab (third visit)

Finish analyzing evidence. Examine Tam’s shoes

Place circles were they match.

  1. What happened when you examined Tam’s shoe? It matched
  2. What characteristics did they look for? a. Shoe size, b. manufacture, c. approximate age
  3. What did you learn from the impression evidence? Tam’s shoe was at the crime scene.
  4. How do we know other shoes can’t have the same individual characteristics? Usual wear patterns were a match  Check out Tam’s Fingerprint
  5. Compare Tam’s print? What type of fingerprint characteristics does he have? Whorl
  6. Was it a match? Match to the knife
  7. What did you learn? Tam had handled the knife.
  8. What does the superglue react with? Natural oils left behind by Gabriel’s skin.  Check out Tam’s knife
  9. What did you learn about the tool marks? Hunting knife made the wound that killed Freebird Reynolds
  10. What part of the stab wound and hunting knife were identical? Striations left on the material by the blade
  11. What lab equipment did you use? A comparison microscope