The instruments or techniques commonly used in collecting the evidence from the crime scenes are scanning electrons and optical microscope. It also includes some kits like fingerprint detectors, facial recognition, DNA sequencing, etc.
<h3>What do you mean by Criminal investigation?</h3>
A criminal investigation may be defined as all those procedures that are applied in search of the culprit of any crime.
Above mentioned instruments and techniques efficiently work on each aspect of criminals. It includes biological similarity to physical appearances with facial recognition, voice recognition, tongue print, fingerprint detectors, etc. to collect solid evidence against any culprit.
Therefore, it is well described above.
To learn more about Criminal investigation, refer to the link:
brainly.com/question/20630040
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