What are the different techniques used in forensic science?

What are the different techniques of forensic science?

Traditional forensic analysis methods include the following: Chromatography, spectroscopy, hair and fiber analysis, and serology (such as DNA examination) Pathology, anthropology, odontology, toxicology, structural engineering, and examination of questionable documents.

Which technique is used in forensic laboratory?

Microscopy is essential to the forensic sciences, with virtually all trace evidence requiring analysis using polarised light microscopy, scanning electron microscopy, x-ray spectroscopy or infrared microspectroscopy.

What are some techniques that forensic investigators use to process a crime scene?

Evidence at a crime scene may only be found in small, trace amounts so forensic scientists use a variety of techniques including microscopic analysis, mass spectrometry, chromatography and DNA analysis. Once samples have been collected from a crime scene, ESR technicians carries out forensic analysis.

What are the 4 types of forensic analysis?

Five common types of forensic analysis, are deoxyribonucleic acid, or DNA, computer, handwriting, bloodstain and statement analysis.

What are the different types of forensic evidence?

6 Major Types Of Forensics/ CSI Evidence Presented At Trial

  • Finger Print Analysis. Along with DNA, fingerprints are a main identifier for who we are. …
  • Forensic DNA Analysis. …
  • Handwriting Exemplars. …
  • Blood Splatter Analysis. …
  • Forensic Pathology. …
  • Ballistics.
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Which of the following are techniques of forensic accounting?

Forensic Accounting Methods

  • Direct and Indirect Methods. The Direct Method is also called the Transaction Method. …
  • Cash T Method and Source and Application of Funds Method. The Cash T Method compares cash received to the amount of cash spent. …
  • Net Worth Method. …
  • Bank Deposit Method.

What are the different test methods in forensic chemistry?

Forensic chemists use phenom sem to analyze particles and separate gun powder residue from dirt and dust particles. Color testing, ultraviolet spectrophotometry, gas chromatography, and microcrystalline testing are used to determine the drug content of a substance.

What are the different personal identification techniques and procedures?

Numerous methods have been used for personal identification in forensic odontology, which include rugoscopy, cheiloscopy, bite marks, radiographs, photographic study and molecular methods.

What techniques should be used at a crime scene?

The basic crime scene procedures are physical evidence recognition, documentation, proper collection, packaging, preser- vation, and, finally, scene reconstruction.

What techniques are used at a crime scene?

Bullet trajectory techniques complement the blood-spatter analysis, and digital photography helps investigators preserve the appearance of the crime scene for future analysis.

  • Physical Evidence. …
  • Blood Analysis. …
  • Photographs. …
  • Bullet Trajectory.

What are some tools or techniques the crime scene investigators use to collect evidence?

They also bring themselves the following tools:

  • crime scene tape.
  • magnifier.
  • flashlight.
  • tweezers.
  • swab.
  • paper sacks and envelopes.
  • measuring tools.
  • orange evidence flags.