Among the sampies collected from the crime scene, tissue sampies such as bone, tooth, hair, nail, skin, muscle and others are very important trace evidence which provide us with available information for personal identification. In order to obtain such information, these tissue sampies should be thoroughly examined using conventional methods including morphology and histo-pathology as weIl as blood grouping. Through the methods described above, blood grouping will give us reliable informa tion for personal identification to a high degree of certainty. In order to succeed in determining blood...

Methamphetamine is one of the most widely abused stimulants and together with amphetamine has led to serious social problems. Numerous papers in the fields of medicine, toxicology, pharmacology, sociology, etc. have appeared. In Japan for example about 20,000 to 22,000 persons have been arrested in recent years on suspicion of abuse, smuggling or illegal manufacture of drugs. In other countries, stimulant drugs also present social problems and efforts have been directed toward prevention. Although marked development of analytical techniques in the field of forensic sciences has been achieved,...

One of the surprising things about the natural world is that animals are dying around us all the time and yet we rarely see any evidence of it. This is a testimony to the efficiency of the large variety of organisms which decompose animal corpses. Whilst bacteria and fungi are the main groups involved in decomposition processes, the larger insects additionally provide an important physical disruption of body tissues, which aids the penetration of micro organisms and speeds the collapse of the body structure. A human corpse is treated no differently and the same groups of organisms are...