Section 2.3 Flashcards
Close up shots of pieces of evidence is considered what?
Micro
Lab Photography
Example, seeing the details on a hair. The dent in a bullet using.
Micro
Lab Photography
Different guns make different kinds of dents. You can sometimes match it to the model of gun or even the specific type of gun. At murder scenes they always look for the casing because evidence can be found on them?
Micro
Lab Photography
You can see something under this that you cannot see under normal light.
UV light
Example, never take an UV light into a bathroom because bodily fluids will glow. Teeth also glow under UV light. true or False
True
Can you find blood stains with a UV light after they have been cleaned up?
Yes
What was developed in the late 1800s?
Mug shots
Developed in the late 1800s, every person that got arrested got a picture from the front with their name and date and where the shot was taken and then one from the side and the other side. This is what?
Mug Shots
You need to have the right lighting and the distance from it. they can be used in line-ups.
Mug Shots
If a person can identify someone out of a line-up it is a positive identity. True or False
True
Because photo manipulation is so easy, we must make sure the photos are not touched by anyone who is not authorized.
chain of custody
Only three people should be listed on the chain of custody and maybe four. 1. 2. 3. 4.
- The person who took the photo
- the evidence room technician
- investigator who wants to look at it to help the investigation.
- Prosecutor (Maybe)
When presenting things in court there are three things that you need to worry about?
1.
2.
3.
- Material
- Relevant
- Competent
It tends to help answer some questions at hand.
Material
Example, murder case where a guy was shot with a gun in his home. Show a picture of a tree. Is that material to the case?
No
It needs to relate to something in the case to be ________.
Material
It must shed some new light on some evidence that we have not uncovered.
Relevant
Example, picture of the body lying there. If there is some special reason you could show two or three of each photo if you are showing something that the previous photo did not show us. This is keeping things what?
Relevant
You cannot sit and show 57 pictures of the dead body even though it is material because it is what?
Non-relevant
It is still material because it is pictures of dead bodies but once the issue has been covered anything else would be irrelevant. True or False.
True
It must show what it pro-ports to show.
Competent
If this is a photo of the dead body, it needs to be a photo of the dead body. If you say that is a blood stain it needs to be a real blood stain not something that you created in the lab.
Competent
Investigators should always make a quick sketch at the scene. You want to have accurate measurements on it. You need to mark down the evidence locations and the True North. this refers to what?
Rough sketch
After the basic sketch take a measuring tape and figure the width and length of things so you will know the distance between things.l This deals with what?
Rough sketches
Give the sketch to a professional and they will add accurate measurements and make it a proportional graphic to make it fancy to use in court. True or False
true
The rough sketch can or cannot be used in court even though the professional one is better.
Can
In order to take a good photo it needs to be?
Accurate and ready for presentation in court
