BLOOD & DNA
This component gives blood its red color.
What is Hemoglobin?
The first step in securing a crime scene.
What is to secure the scene?
The 3 main fingerprint patterns.
What are loop, whorl, and arch?
The study of poisons and their effects on the body.
What is Toxicology?
This 1892 case in Argentina was the first to use fingerprints to solve a murder.
What is the Rojas murder case?
The chemical to identify the presence of blood.
What is Luminol?
The difference between primary and secondary crime scenes.
What is where the crime actually occurred (primary) and related but separate, like a getaway car (secondary).
This characteristic of fingerprints makes them unique.
What are ridge patterns and minutiae?
Drugs that slow down brain function (e.g., alcohol, barbiturates).
What is a depressant drug?
This athlete’s 1995 murder trial became one of the most televised court cases in history.
What is the O.J. Simpson Case?
The universal donor blood type.
What is Type O negative?
The documented process showing who handled the evidence and when.
What is the Chain of Custody?
Used to develop latent prints on nonporous surfaces (like glass or metal).
What is cyanoacrylate fuming?
The difference between a poison and a toxin.
What is poisons are man-made; toxins are naturally produced by organisms?
This 1996 cold case involved the mysterious death of a six-year-old beauty pageant contestant found in her family’s Colorado home.
Who is JonBenét Ramsey?
This term refers to the unique sections of DNA that vary greatly from person to person and are used to create a genetic profile for identification purposes.
What are Short Tandem Repeats (STRs)?
The type of evidence including hair and fibers.
What is Trace Evidence?
The surface that works best for dusting.
What is smooth, nonporous surfaces (glass or plastic)?
The acronym BAC stands for.
What is Blood Alcohol Concentration?
This 1888 London case, involving a killer who targeted women in Whitechapel, inspired the term “serial killer.”
Who is Jack the Ripper?
The technique used to make millions of copies of a specific DNA segment, allowing investigators to work with tiny or degraded DNA samples that would otherwise be unusable.
What is Polymerase Chain Reaction (PCR)?
The 7 steps of crime scene investigation.
What is secure scene, separate witnesses, scan scene, see (photograph), sketch, search, and secure/collect evidence.
The layer of skin that produces fingerprints.
What is the basal layer?
This rate measures how quickly a drug or toxin is broken down and removed from the body, often expressed as the time it takes for its concentration to decrease by half.
What is the half-life?
This 1980s case was the first in the world to use DNA profiling to convict a murderer.
What is the Colin Pitchfork case?