Download

CSI science history

By tfrog
  • The role of psychology in criminal investigation

    Forensic psychology often plays a role in punishing and preventing crimes. Professionals in this field are often given the sinister responsibilities of trying to figure out why certain types of people commit crimes; what type of person commits a crime; and how to prevent people from committing crimes. This is very useful because we need to find people and charge them for there crimes.
  • Bullet comparison

    Bullet comparison
    Henry Goddard first used bullet comparison to catch a murderer. The comparison was based on visible flaw in bullet, traced back to a mold of the bullet.
  • First arsenic test

    The Marsh test is a highly sensitive method in the detection of arsenic especially useful in the field of forensic toxicology when arsenic was used as a poison. It was developed by the chemist James Marsh.
  • The detecting of sperm

    H baynard publishes the first reliable procedures for the microscopic detection of of sperm.
  • Using body temperature to determine time of death

    Taylor and Wilkes write a paper on the determination of time since death from fall in body temperature, introducing many current concepts.
  • Photographing Evidence

    First advocation of the use of photography for the identification of criminals and the documentation of the evidence and crime scenes.
  • Using fingerprints to determine crime

    Henry favlds publishes a paper suggesting fingerprints to eliminate an innocent suspect and indicate a perpetrator in a Tokyo burglary.