Unit 4
What is Locards Exchange Principle?
The perpetrator of a crime will bring something into the crime scene and leave with something from it, and that both can be used as forensic evidence.
Define Rifling.
the arrangement of spiral grooves on the inside of a rifle barrel.
What are the 3 types of finger prints?
Arches Loops Whirls
Is a brown rootless hair class evidence or direct evidence?
Class.
What city was Walnut St. Prison in?
Philadelphia, PA
What is Chain of Custody?
The chronological documentation or paper trail that records the sequence of custody, control, transfer, analysis, and disposition of physical or electronic evidence.
What is the IBIS?
Integrated ballistics identification System.
What is CODIS?
Combined DNA Index System
Define Penitentiary.
Prison for people convicted of serious crimes.
What is Habeas Corpus?
A writ requiring a person under arrest to be brought before a judge or into court, especially to secure the person's release unless lawful grounds are shown for their detention.
How do you collect fingernail scrapings from a victim?
Blunt end of a flat wooden toothpick, using a different toothpick for each finger. When the scrapings are taken from one finger, the toothpick and scrapings should be placed on a clean piece of paper, which is then folded up and packaged in a suitable container.
Define Caliber.
The internal diameter or bore of a gun barrel.
Is Blood Type, class evidence or direct evidence.
Class
Define Prison.
A building in which people are legally held as a punishment for a crime they have committed or while awaiting trial.
What are the 4 areas of criminal Justice?
Law Enforcement, Legal Services, Corrections, and Private Security
What is an Autopsy?
A postmortem examination to discover the cause of death or the extent of disease.
Define Gauge.
The weight of a solid sphere of lead that will fit the bore of the firearm
Is DNA class evidence or direct evidence?
Direct
What U.S. state was the first prison?
Georgia
Describe a way that Law Enforcement would work with Private Security.
The study of the effects of being fired on a bullet, cartridge, or gun.
What is AFIS?
Automated Fingerprint Identification System
Is a worn shoe pattern class evidence or direct evidence?
Direct Evidence
How man people were sent to Georgia as punishment?
10,000
Describe a way that Legal Services would work with Corrections.