Crime Scene forensic investigation

Types of Crime Scene

The word crime gives sensation to the humans and a negative feeling evolve in an individual

 but for a forensic expert it is a part of duty...so the first thing we must know is that,

Any place could become a crime scene . It is a location where an illegal act occurred and comprises  the area from which most of the physical evidence is retrieved by trained law enforcement personal and by forensics scientists .

Crime scene is divided in to -

Primary  crime  scene

Secondary crime scene

The area , place or thing where the incident occurred or where the majority or a high

concentration of physical evidence will be found is a primary crime scene.

Secondary crime scene are places or things where physical evidence may be found. For Ex if a 

body found buried in a place far from the area where actually death occurred ,then this place is a 

secondary crime scene.

Now discussed about the Types of crime scene  -:

1) Indoor crime scene - As the name suggest  it occurred in a closed area like in an apartment  ,

buildings , factory, in a room etc . It is less susceptible to environmental loss and any deleterious

change. The possibility of contamination and loss of evidence increases due to presence of owner

and by there relatives or neighbor's. However no need of any light source in the night crime scene

usually.

2) Outdoor crime scene - when crime occurred outside on a road , in any field , park etc referred

as outside crime scene. It is most vulnerable to loss and contamination of physical evidence. It's

also depends upon the environment conditions such as heat cold snow etc. It should be

immediately secured to lessens any evidence loss. Night time Outdoor crime scene are very

problematic to crime investigation teams.

3) conveyances crime occurred in a vehicle like car etc . Vehicle burglary , car theft , grand theft

are Ex of conveyance crime. A conveyances  such as a vehicle may be transported to the

laboratory after proper documentation has been completed.

A question has raised that who investigated the crime scene , actually it depends upon the

Type of crime scene  and the resources of the law enforcement agencies. The examination of a 

crime scene requires special skills , knowledge and aptitude. The examination and processing of a

 crime scene is a long and tedious process that required a disciplined and systematic management

 as well as depth knowledge of forensic science. A homicide crime scene requires different 

treatment then a burglary crime scene. So the scientific person should have forensic skill and 

experience. The crime scene team must be reached in time , secure and protect the crime scene . 

Second thing's that photography and video capturing is must , then conduct a detail search for 

evidences and make a crime scene sketch , then collect , preserve and packed the physical

 evidences then do the documentation of crime scene and dispatch the exhibits. Chain of custody

 is necessary. At last release the crime scene. Types of crime scene are easy to read but practically

 the crime scene need experience , patience , scientific approach and physical fitness .     

                          Thanks for reading

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About forensic fingerprint

MR. DEEPAK PAWAR has been working as Finger Print Expert / Police Officer in Finger Print Bureau , Delhi Police at New Delhi since 2001 . He is the senior most Finger Print Expert , attending / visited several scene of crime and solved many crime cases .He has passed M.Sc (Chemistry) and he is the Member of International Association of Identification . He is the Member of Delhi Police welfare association . He is supervising the Forensic , New Delhi District , Mobile Crime Team . He is one of the Expert in the Special Investigation Team held for investigation of important cases . He has been giving fingerprint proficient training to Delhi Police personnel's . He has been Presented / giving lectures on topics related to forensic science . He is also making examination paper of Finger Print proficient course . He is awarded with Police Medal by MHA and Delhi Police.

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