Criminology
How A Polygraph Test is Conducted?
The polygraph examination is a psychophysiological test that helps to reveal the deception of a person.
Criminology
Criminology: India v/s other Countries
Criminology is not a well-known field in India, but it is one of the most reputed and demanded career options in other countries, where they are offering a wide number of professional courses in Criminology to interested students from all over the world.
Ballistics
Gunshot Residue Analysis by Harrison-Gilroy’s Test
Harrison-Gilroy’s test is a method of detecting metallic constituents in the firearm discharge or gunshot residue(GSR). This test is specific for the presence of barium, lead, and antimony in the discharge.
Criminology
Brain Mapping: A Neurological Technique
Brain mapping is a process that measures and studies the changes in the electrical field of potentials produced by the sum of the neuronal activities in the brain of an individual person.
Ballistics
Explosives: Types, Classification and its Uses
An explosive is a substance (an element or compound or a mixture) or device which is made to produce a volume of rapidly expanding gas in an extremely brief period of time. It is a substance which is capable of exerting pressure on its surroundings on explosion or transformation. Explosion Read more…
Criminology
Tools And Equipments Used In Crime Scene Investigation
Forensic investigators are called to the crime scene to collect evidence and examine them, which will help law enforcement agencies to use the report for the further proceeding of the case. Crime scene investigation is an exact science. Crime scene investigation need to be able to use many different tools Read more…
Criminology
Importance of Documentation In a Crime Scene
Documentation is a very vital aspect of crime scene investigation. Keeping the record of all sorts of data that we gather from the crime scene assists an expert to give better opinions and presumption of the situation by analyzing the documentation repetitively. The documentation itself includes; taking the notes from Read more…
Criminology
Basic Techniques Used In Crime Scene Investigation
Investigating the crime scene thoroughly is one of the critical approaches to a successful investigation. We can refer to it as successful only if it follows certain principles and procedures. Crime Scene investigation is more often also termed a systematic process. A crime scene investigator or the responsible expert might Read more…
Criminology
Bloodstain Pattern Analysis at a Crime Scene
Blood is the fluid connective tissue of our body. It is the only bodily fluid that helps in the overall growth of living beings and supports the life system. It is a highly complex mixture consisting of cells, proteins, and enzymes. Given that blood plays an important role in a Read more…
Ballistics
Improvised Firearm and Regular Firearms
A firearm is a device that hurls out the projectile with force. The force is produced by the expansion of the gases that are caused due to the burning of primer and propellant powders. Improvised firearms are generally made up of cheap quality iron tubes, sanitary pipes, and bicycle tubes, Read more…
Ballistics
Ghost Guns | Why are they a Topic of Discussion?
Ghost guns are privately made firearms. It is a homemade firearm that lacks the commercial serial number. These terms are often used in the United States by gun control advocates, law enforcement officials, gun rights advocates. People otherwise forbidden from owning a firearm are still banned legally from the transfer, Read more…
Ballistics
Responsibilities of a Ballistics Expert
Ballistics deals with the study of motions of a projectile and the factors associated with it. Ballistics experts are the individuals who perform tests on guns, spent bullets, empty cartridge cases in criminal cases to prove guilt or innocence of a suspected offender. The various ballistic evidence involves the firearm, Read more…
Ballistics
Factors Causing Accidental Discharge of Firearms
A firearm is a device that propels out the projectile with force proceed due to the expansion of gases. Offences related to firearms are of three types that involve the homicidal, suicidal, and accidental discharge of firearm. It is the event associated with a firearm that discharges the weapon at the time Read more…
Ballistics
Threshold Velocity of Bullet for Penetration of Skin/Bones/Flesh
Penetration potential is the capability of the projectile to penetrate through various materials. Threshold velocity refers to the minimum velocity required by the bullets to penetrate through the skin, flesh, or bones. When the projectile strikes a human body, the skin, flesh, and bone underneath are depressed and compressed. The Read more…
Ballistics
Methods of Measurement of Wound Ballistic Parameters
Ballistic is the study of the motion of the projectiles and the factors affecting them. Ballistics are primarily divided into three branches internal, external and terminal ballistics. If the target is living tissue, it is known as wound ballistics. Wound ballistics is concerned with the wounding phenomena. It studies how Read more…
