Introducing 

Prezi AI.

Your new presentation assistant.

Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.

Loading…
Transcript

Blood Typing Analysis

DNA Analysis

Evidence

After running the DNA through the gel, Ben and John’s DNA are most similar to the DNA from the crime scene.

Sara: AB+

Ben: B-

Jennifer: A+

Jack: O-

John: B-

Tom: B-

Crime Scene: B-

The possible suspects at the crime scene are Ben, John, and Tom, given that they all have B- blood type.

Crime Scene

Fiber Analysis

  • After analyzing the fiber sample from the crime scene, it was determined that the sample is wool.
  • John and Jennifer are known to wear white wool socks in the summer, which makes them possible suspects.

Crime Scene

Fingerprinting Analysis

  • The fingerprints taken from the evidence at the crime scene matched the fingerprints of Tom.
  • Tom was known to have visited the suspect on July 29th.

Who did it?

Blood Spatter Analysis

Forensic Entemology

  • The maggots collected from the crime scene were determined to be a Black Blow Fly insect. The life stage of the sample is 2nd instar larvae.
  • The time of death is determined to be July 29th at 10am.
  • Jack, Tom, and John were known to have visited the victim on July 29th.
  • The blood spatter stain on the wall appeared to be a cast-off which means that the blood had been thrown from a weapon.
  • If it was from a weapon, then it couldn’t have been a suicide.

Drug Analysis

  • The results conclude that the victim died of a homicide because the blood spatter on the wall was from a weapon and there was a lot of blood lost from his head due to trauma.
  • The person who committed the crime is John because he was a suspect in all of the investigations.
  • John's motive may have been that he was high from the drugs.

Cast-off blood spatter

  • It was determined that the drug present at the crime scene was Brogaine which is a drug similar to ecstasy.
  • John and Ben use Brogaine when with friends, which makes them possible suspects.
  • Tom is known to be a recreational drug user, but he sells Speculate at parties.

Final Crime Scene Project

Learn more about creating dynamic, engaging presentations with Prezi