Colorado POST Study Questions and Answers What a person can testify to, under oath, about their personal experience related to the investigation at hand, is what type of evidence - ANS-Testimonial
Written material, audio and video recordings, photographs and sketches, are what type of evidence - ANS-Documentary
Mockups and scale models of objects or places related to the crime scene and helps juries visualize more clearly what they are unable to view personally, is what type of evidence - ANS-Demonstrative
Evidence that is real, which has substance, that helps to establish the facts of the case, can be seen, touched, smelled or tasted, is what type of evidence - ANS-Physical
The classification for the extremely small pieces of evidence, i.e., hairs, fibers and fingerprints, is what type of evidence - ANS-Trace
Circumstantial evidence is broken down into two characteristic types. These are ___ and ___ - ANS-Class and Identifying
If an officer is able to testify that he or she took control of the item of physical evidence, identified it, placed it in a locked or protected area and retrieved the item being offered on the day of trial, that officer has maintained the - ANS-Chain of Custody
When evidence relates to a fact at issue in the trial, the evidence is deemed to be - ANS-Relevant
When evidence has enough substantial importance to affect a point at issue at trial, the evidence is deemed to be - ANS-Material
Evidence that has been properly collected, identified, filed and continuously secured is deemed to be - ANS-Competent
Before evidence is collected, you should photograph and sketch it. - ANS-True
The minimum marking that should be placed on collected evidence is: - ANS-Initial and Date
If the object cannot be marked because it is a liquid, is too small to mark adequately, or any marking what so ever will destroy evidence on the surface of the object, then no marking is required. - ANS-False
A pair of blue jeans that has been soaked with blood may be placed in a heat sealed plastic bag to prevent leakage. - ANS-false As long as the items were taken from the same person, a shirt and a pair of pants can be placed in the same bag and sealed. - ANS-False
All collected firearms should be rendered safe. After removing the magazine and any chambered bullet from a semi-automatic weapon, they can all be placed in separate bags and then all may be placed in a gun box. - ANS-False
A gunshot residue test may be collected from a subject whether they object to the test or not. - ANS-True
The three elements sought after in the Scanning Electron Microscope Gun Shot Residue Test are: - ANS-Lead, Antimony, Barium
Blood was once classified as Class Characteristic Circumstantial Evidence. What one innovation has changed blood to an Identifying Characteristic Circumstantial Evidence? - ANS-DNA
Hair and fiber evidence can be picked up with the fingers, tape, or a specialized vacuum
system with a filter. - ANS-True
"A claim for damages against a governmental entity which alleges that property taken for evidence was subsequently damaged is essentially a claim in tort. If the property was damaged by accident, the case would be a claim of negligence. If the property were intentionally destroyed, an intentional tort would be involved." - ANS-Government Immunity Act
In what sequence were the bullet holes in this glass made? - ANS-B, C, A
Investigative notes are a permanent written record of the facts of a case to be used in further investigation, in writing reports, and in prosecuting the case. - ANS-True
Personal opinions, as well as observations, should always be noted. - ANS-False
Record general information upon receipt of a call for service. The information that should be recorded is: a. _____________________ b. _____________________ c. Pertinent information given about the call. d. _____________________ - ANS-a. Time and date of the call for service
b. Location responding
d. Arrival time at the scene
Record all information that helps answer the questions; a. ______________? b. ______________? c. ______________? d. ______________? e. ______________? f. ______________? - ANS-Who
What
Why Where
How When
The reason a _________ is used for a writing instrument for notes is because it is ___________________. - ANS-Pen, Permanent
In what week of gestation does the permanent ridge structure development stop? - ANS-24th Week
Position of the volar pads on the fingers when friction ridges start to form, in uterum, determines the _____________________________. - ANS-Fingerprint Pattern Type
The two major layers of friction ridge skin structure are __________________ and ________________. - ANS-Dermis and Epidermis
There are no sebaceous glands on the friction ridge surfaces of the body. - ANS-True
The two areas of the body that have friction ridge skin are the: - ANS-Palmer and Plantar
Perspiration is made up of _____________ % water and ______________ % organic matter. - ANS-99.5 and 0.5
The latent fingerprint is a chance or accidental impression of the friction ridges of the skin. The factors affecting the latent fingerprint being left on a surface may be grouped into three stages in the formation of a latent print. These factors are: - ANS-Subject, Surface, Enviormental
A latent fingerprint is developed on a television set moved during a 2nd Degree Burglary. The friction ridge detail is very fine and the ridges are close together. With this
observation, the investigator may assume that the suspect has to be female. - ANS-
False
Improper and excessive handling of evidentiary items probably destroys more latent fingerprint than any other factor. - ANS-True
What is the best process for developing a latent fingerprint on a soda can? - ANS-
Powder The best method to use on a document that cannot be damaged in any manner, due to either their high intrinsic or sentimental value is the; - ANS-Iodine Method
The most suitable reagent for revealing latent fingerprints on porous surfaces such as paper, cardboard, raw wood and plasterboard is: - ANS-Ninhydrin
You may be able to improve the ability to develop some latent fingerprints by reanimating the print with humidity. One can reanimate the print with humidity by: - ANS-Breathing on it
Ninhydrin reacts with what kind of acid, turning the latent Ruhemann's Purple? - ANS-
Amino
Iodine reacts with what kind of material, turning the latent brown? - ANS-Oily Substances
After development of a latent with iodine, it must be photographed quickly because the developed latent; - ANS-Disappears Quickly
The basic factors are, that fingerprints are permanent and that fingerprints of no two individuals are identical. - ANS-True
What are the three basic fingerprint patterns? - ANS-Arch, Loop, Whorl
What does AFIS stand for? - ANS-Automated Fingerprint Identification System
A latent fingerprint on a crime scene is proof, beyond a reasonable doubt, that the person who left the print, did the crime. - ANS-False
What does PPOL Stand for - ANS-Position Posture, Observe, Listen
Position should be at a ___ and ___ - ANS-Safe Distance, and Facing the Suspect
Your Posture should - ANS-Upright/Erect
When observing you should make - ANS-Inferences and Look for Non Verbal Communication
When Listening you should - ANS-Suspend judgement and pick out key words
Class 1 is - ANS-Explosives
Class 2 is - ANS-Gases
Class 3 is - ANS-Flammable Liquids