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Forensics Chapter 3
| Question | Answer |
|---|---|
| Bullet cartridges are left behind at the scene of a robbery. The forensic analyst would use what database to see if the gun that fired these bullets has been used in a crime before? | NIBIN |
| What database was used to connect the Sun City Center rapist to his sexual assaults? | CODIS |
| All of the following are class characteristic evidence except? | Print from a well used shoe |
| For most crime scenes, the majority of the evidence found is __________. | Class evidence |
| When multiplied the frequencies for the appearance of four blood factors is .0036. How would you determine the one (1) in a number of people? | 1/0036 |
| Blood smear that contains no cells with a nucleus? | Individual |
| DNA | Individual |
| IAFIS become operational in? | 1999 |
| The formula for predicting the frequency of a group of characteristics in a population? | Product Rule |
| Which one is an example of an individual characteristic? | Tire marks from a five year old tire |
| Striations found on a fired bullet? | Individual |
| CODIS became operational in? | 1998 |
| During a traffic stop, an officer uses his digital scanner to take the driver's prints. He enters them into a database to determine if the driver has any open warrants. What database did he use? | IAFIS |
| Process of determining if the evidence from a crime scene shares a common origin with a reference sample? | Comparison |
| A body has been found near a lake. Local missing reports are searched and not match is found. Investigators decide to use a database to try to identify the victim. Which would they use? | NamUs |
| CODIS is a national database maintained by? | FBI |
| The physical evidence found and analyzed by forensic scientists is ultimately judged by? | The Jury |
| The process of determining that a white powder found at a crime scene is heroin? | Identification |
| At a crime scene, investigators find bloody shoe prints. They note that there are no wear patterns discernible in the print. They decide to use a database to find the type of shoe it was. What database did they use? | SICAR |
| All of the following are examples of individual characteristics except? | Blood Type |
| Properties of evidence that can be attributed to a single source with a high degree of certainty? | Individual Characteristics |
| The following frequencies occur for three (3) DNA loci are 3%, 2%, and 15%. If a suspect is found to have those three loci, how could you calculate the percentage frequency in a population? | (.03x.02x.15)x100 |
| The process of determining the chemical and/or physical properties of evidence? | Identification |
| Wayne Williams was connected to his victims by? | Fiber Evidence |
| Properties that can be attributed only to a group? | Class Characteristics |
| Amber Knox was accused in the death of her roommate. Where was she tried for this crime? | Italy |
| The examination of physical evidence by a forensic scientist is usually under-taken for? | Identification or comparison purposes |
| The weight or significance accorded physical evidence in a courtroom is left to? | The trier of facts, or a jury of laypeople |
Created by:
mjlink1