TAILIEUCHUNG - Ebook Simpson’s forensic medicine (13/E): Part 2
Part 2 book “Simpson’s forensic medicine” has contents: Ballistic injuries, use of force and restraint, sexual assault, transportation medicine, immersion and drowning, medicinal poisons, miscellaneous poisons, principles of forensic science, allied forensic specialties, and other contents. | Chapter ■ ■ ■ ■ ■ ■ ■ ■ ■ 10 Ballistic injuries Introduction Types of firearms Gunshot injuries Air weapons, unusual projectiles and other weapons Determination of accident, suicide or murder Evidence recovery Explosives Mass disasters and the doctor Further information sources ■ Introduction The use of firearms as weapons of assault outside conflict or police settings continues to increase. Firearms are relatively easy to obtain, whether in jurisdictions where their possession and use is permitted or not. Legislation intended to reduce availability often seems to have an impact only on those with a lawful need or reason for possession, rather than on those intent to use firearms for criminal purposes. In whichever jurisdiction the forensic practitioner practices, he or she will encounter injury and death caused by a wide variety of firearms. ■ Types of firearms There are two main types of firearm: those with smooth barrels, which fire groups of pellets or shot, and those with grooved or rifled barrels, which fire single projectiles or bullets. The main types are discussed further in Chapter 23, p. 232. Both of these types of weapon rely upon the detonation of a solid propellant to produce the gases that propel the projectile(s). Air guns and air rifles form a separate group of weapons that rely upon compressed gas to propel the projectiles, and these weapons, together with the more unusual forms of projectile or firearm, such as the rubber bullet, stud guns and humane killers, are considered at the end of this section. The term ‘Dum-Dum bullets’ relates to the .303 centrefire rifle cartridges with a hollow-point style bullet that were made at the British arsenal in DumDum, India, in the late nineteenth century. The use of Dum-Dum and other expanding bullets was forbidden in wars between signatories of the Geneva Convention in 1864. This rule was reiterated by subsequent declarations of the Hague Conferences. It should be noted that the restrictions apply to
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