1. How Crime Scene Investigation Works
Instruction
Read the following parts of the text "How crime scene investigation works" Open the link or click on the picture.
- Introduction to How Crime Scene Investigation Works
- Evidence collection
If necessary, use the Police Rescue Learner’s Dictionary http://dict.sisekaitse.ee
Choose the correct endings to finish the sentences
6. DNA analysis
1. Crime scene
investigators
find,
document, collect and package evidence | |
destroy evidence purposefully
|
2. During an initial walk- through the CSI
Touches items of evidence | |
examines the scene visually
|
3. The CSI
always analyses the collected evidence in the lab
| |
may or may not analyse the evidence in the lab
|
4. To collect trace evidence, the CSI might use
cyanoacrylate fuming method
| |
a filtered vacuum device
|
5. Body fluids found at the crime scene may include
water, whiskey and wine
| |
blood, semen, saliva and lymph
|
6. DNA analysis
helps identify people
| |
cannot be carried out on blood and saliva samples
|
7. Blood spatter analysis
can reveal whether a blunt or sharp weapon was used
| |
cannot indicate which direction the blood came from
|
8. Cyanoacrylate
is the main ingredient of Super Glue | |
and Super Glue are completely different substances
|
9. It is possible to make a cast of
a footwear impression in mud
| |
a body fluid
|
10. The crime scene report
documents the complete evidence collected at the crime scene
| |
does not include the photo log
|
Fill in the gaps
Fill in the gaps in the following sentences. Use the vocabulary in the box. You can use each word only once. There are three extra words. If necessary, check the meanings of the words using the Police-Rescue Learner’s Dictionary
http://dict.sisekaitse.ee
trace evidence latent fabric crime scene investigators collect admissible cast illicit Superglue fuming vomit DNA package document reconstruct forensic science gunshot residue expertise incapacitate physical evidence swabbed impression perpetrator scraped sample contamination |
- Crime scene investigators search for, find, and evidence at crime scenes.
- It is important to prevent , preserve the evidence in its current form and make sure the evidence is in court.
- consists of the physical objects found at the scene, including tyre impressions, tool marks, shoeprints and fingerprints.
- Crime scene investigators the scene by writing crime scene reports, taking photographs and drawing sketches.
- In the UK, is defined as the application of scientific techniques to obtain evidence, in support of and integral to a police investigation.
- In some cases, are also forensic scientists.
- The consumption of alcohol is quite widespread in Estonia.
- stands for gunshot residue.
- The CSI dried blood from objects using a freshly washed and dried knife.
- A footwear in mud is a three-dimensional impression.
- Fingerprints invisible to the naked eye are called fingerprints
- is one of the methods used for developing latent fingerprints.
- The rapist used alcohol and drugs in order to the victim.
- The of this horrible crime must be brought to justice.
- The suspects’ mouths were for DNA.
- analysis can be carried out on very small samples of biological material.
- The coat was made of green woollen
- is usually described as any small piece of evidence.
- The forensic scientist has considerable in fingerprint analysis.
- In collecting evidence from a crime scene, the main goals of a crime scene investigator are to the crime, identify the person who did it and preserve the evidence for analysis.