Yesterday, you learned how to take a person’s fingerprints. That is getting a sample. In order to match a fingerprint at a crime scene, you need to have a collection of samples to match to.
Today, you are going to learn how to take a fingerprint from an object – this is called picking up latent fingerprints. These are the fingerprints that have been left behind. One way detectives find fingerprints is by dusting the crime scene for them. Fingerprints are coated with powder, then lifted and taken to a lab for identification.
Here are three website that can help you learn all about fingerprint analysis.
- Cyberbee Fingerprint Dusting at the Crime Scene
- Science News for Kids: Fingerprint Evidence
- CSI Forensic Adventures Loops, Whorls or Arches
Now try your skills at Fetch’s crime scene at Canine Sniffer Intelligence: Hat Snatcher. Fetch’s hat has been stolen. Look over the crime scene and collect evidence. You have the skills to figure out which suspect is the true thief. Remember what you have learned about fingerprints.
Talk the Talk Word of the Day: Forensics – Scientific tests used to solve mysteries.
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