Fingerprints
What is the main reason for classifying fingerprints in forensic investigations?
What is, to group fingerprints based on similar qualities
What can tracks left in mud tell us about the animal that made them?
What is, size, weight, speed and behaviour
What scientific process involves analyzing characteristics of a person's handwriting for identification?
What is, handwriting analysis or graphology
What investigative technique separates a mixture of components by their different colors?
What is, chromatography
In an investigation, what can the analysis of fabric characteristics reveal?
What is, how fabric reacts to different chemicals, liquids or flames
How can fingerprints be lifted off a surface for further analysis?
What is, using dusting powder (brushes) or tape
How are human tracks different from animal tracks?
What is, humans have distinct arches and heel prints
What do forensic experts look for when comparing handwriting samples?
What is, consistency, pressure, slant, spacing
What can be determined by analyzing the ink chromatography of a document, just by looking at it?
What is, the coloured pigments that make up the ink
Why are eyewitness accounts considered to be NOT highly reliable (trustworthy/accurate) in solving crimes?
What is, different people may perceive (see) the same scene differently
What are the three main types of fingerprints found in humans?
What is, arch, loop and whorl
How can the size and shape of a footprint help determine if it belongs to a predator or prey animal?
What is, predators have sharper claws and larger prints
Why is handwriting considered a form of evidence in criminal investigations?
What is, each person has a unique writing style
How can soil samples be classified based on texture?
What is, by the size of the soil particles
What is the main difference between observations and inferences in an investigation?
What is, observations are information gathered through the senses, while inferences are conclusions based on observations
Why are fingerprints considered unique to each individual?
What is, due to the ridge patterns and characteristics
How can tire tracks be BEST classified in an investigation?
What is, by tread pattern and width of the tire track
What are some factors that can affect handwriting, making analysis challenging?
What is, age, health, mood, writing surface
What is the purpose of ink chromatography in forensic science?
What is, to identify liquid mixtures and the chemicals they are made with
What does NOT significantly affect a person's memory in an investigation?
What is, their level of education
How can investigators use fingerprints to identify a suspect in a criminal case?
What is, they match the finger print to the suspect
What details can animal tracks reveal about the speed and behavior of the animal?
What is, the distance between the tracks can indicate the speed, and whether the animal was hunting, grazing, or being pursued
What role does technology play in modern handwriting analysis techniques?
What is, providing tools for digitizing, comparing, and analyzing handwriting samples more efficiently and accurately
How can soil samples be classified in an investigation?
What is, by colour, texture, odour, size, and mixture of materials
In forensic science, why is it essential to preserve evidence in its original state?
What is, to maintain the integrity, chain of custody, accuracy, reproducibility, legal admissibility, and ethical standards of the investigative process.