The instruments commonly used in criminal or environmental forensic investigations and analysis include scanning electron and optical microscopes . These tools are used to characterize forensic evidence like fabrics, metals, textile or glass.
What tools are needed to analyze evidence?
- Mass Spectrometers. There are a lot of trace evidence that can be gathered from a crime scene. ...
- High-Powered Microscopes. ...
- Chromatographs. ...
- Various Cameras and Photography Techniques. ...
- Various Light Sources.
What tools do forensic scientists use to analyze evidence?
Forensic scientists use equipment in the field such as specialized powders, brushes, cameras and tape to capture fingerprints. They also have computers in the lab that are used to analyze fingerprints and compare the gathered prints to a suspect’s prints or to existing databases.
What tools are used during the investigation?
- Bindle paper.
- Biohazard bags.
- Consent/search forms.
- Crime scene barricade tape.
- First-aid kit.
- Flares.
- Flashlight and extra batteries.
- Markers (e.g, business cards, chalk, spray paint or some other marker to place by noted evidence items).
What are three tools used specifically for evidence collection?
- crime scene tape.
- magnifier.
- flashlight.
- tweezers.
- swab.
- paper sacks and envelopes.
- measuring tools.
- orange evidence flags.
What are the 3 tools of investigation?
Tools To establish facts and develop evidence, a criminal investigator must use these tools- information, interview, interrogation, and instrumentation . 3.
What are common types of physical evidence?
- firearms and fired ammunition,
- fingerprints,
- toolmarks, tire tracks, and footwear impressions,
- hairs, fibers, glass, paint, and other trace evidence.
What are 3 things a forensic investigator must be able to clearly do?
The three tasks or responsibilities of a forensic scientist are: Collecting evidence. Analyzing evidence . Communicating with law enforcement and...
What technology is used in forensic science?
Several technologies are used in different fields of forensic science to conduct investigations and examine the evidence. Among them include: scanning electron microscopy , DNA fingerprinting, alternative light photography, facial reconstruction and LA-ICP-MS.
How is the latest technology used in investigations?
The high-performance computer systems and Internet technologies are also involved. All these technologies improve surveillance and investigation while making analysis procedures easier. ... Some police dispatchers even use the advanced mobile phone technologies. Those involve Computer Aided Dispatch software among others.
What is the golden rule of investigation?
The Golden Rule in Criminal Investigation. “ Do not touch, alter, move, or transfer any object at the crime scene unless it is properly marked, measured, sketched and/or photographed .”
What techniques do investigators use?
For countless years, criminal investigators have relied on six basic investigative techniques to solve crimes; i.e., (1) the development of informants , (2) use of undercover agents, (3) laboratory analysis of physical evidence, (4) physical and electronic surveillance, (5) interroga- tion, and (6) where permitted by ...
What are the three phases of investigation?
The investigative process is a progression of activities or steps moving from evidence gathering tasks, to information analysis, to theory development and validation, to forming reasonable ground to believe, and finally to the arrest and charge of a suspect.
What are 5 ways of collecting hair evidence?
- Visual collection. On some surfaces, hairs and fibers can be seen with the naked eye.
- Tape lifting. Trace tapes are available for the collection of trace hair and fiber evidence.
- Vacuuming.
What are the four steps in collecting digital evidence?
There are four phases involved in the initial handling of digital evidence: identification, collection, acquisition, and preservation ( ISO/IEC 27037 ; see Cybercrime Module 4 on Introduction to Digital Forensics).
How do you process evidence?
- Document and photograph the evidence.
- Properly secure the evidence by placing it in a paper bag or envelope.
- Close, seal, or tape the paper bag or envelope. ...
- Label the bag or envelope with the patient’s identifying information.
- Examiner must place signature, date, and time on the envelope[3]
