Post Blast Investigations essay
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Post blast investigation involves verification and determination of the main explosive components that were used to create a bomb. During the 1800s, post blast investigation involved the use of scientific principles in a crime scene, for example, clothing and vegetables were used to place suspects at the crime scene. In addition, photographs were used to preserve crime scene while chemicals such as hydrogen peroxide were used to test for the presence of blood. Post blast investigation is mainly noted during the terrorism case. People conduct such activities for various reasons that end up hurting innocent individuals. Specialized individuals conduct the post blast investigations. The forensic analysts are specialized in explosive investigation, and they can tell what was the nature of explosion and the main source of the explosion. This means they are able to determine the chemicals that were used during the incident. They usually work with other experts to determine the sources of the explosion.
Technological advancement has brought a new understanding to science especially in criminology. These advancements led to the formation of organizations that deal with bomb-related criminal cases. These organizations are different in every country depending on the technology used during the investigation. In the USA, ATF (Alcohol, Tobacco, Fire and Explosives) is one such organization that is responsible for prevention of unlawful possession of firearms and explosives. The organization is also responsible for licensing the sale, transportation and possession of firearms and explosion.
There are three types of explosives. These include mechanical, chemical, and nuclear explosives. The most common types of explosives used are the mechanical and chemical explosives. In the United States of American, the most commonly used types of explosives are the traditional pipe bombs, Molotov cocktails, and improvised explosives. These explosives contain flammable liquids, and black and smokeless powder that pose a massive threat to the public safety. Improvised explosives devices are commonly used in bombing since the components used are easy to make and cheap. Bombs are designed to incapacitate a personnel or a vehicle, and they contain chemicals such as the lethal, noxious, pyrotechnic or incendiary chemicals. The devices found in crime scenes are small, but they have an enormous destructive capability.
Bombs can be transported by different mechanisms. Some bombs are attached to vehicles, boats, animals, briefcases, suicide bombers, and the mobile phones. The delivery mechanism of a bomb depends on the intention of a person. Vehicles are planted with the explosive devices and they are controlled using remotes. On the other hand, cell phones are used to trigger an explosive since they are sufficient to initiate a firing circuit of an explosive. A human carrier wears the explosive device and detonates it when he gets to his target.