Introduction to forensic science

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Introduction to forensic science

orgnizing information

Databases store information that forensic scientists can search easily

Computers link to micrscopes , chromotograph and spectrometers to display results.

Identifying substances

spectrometer

records how a substance interacts with wavelength of electromagnetic radiation

chromotgraph

seperated chemicals based on their physical properties such as boiling point or molecular size

Tools in forensic science is the micrscope

Comparison micrscopes are used compare two small objects such as bullets , side by side

SEM are used to take a picture very small objects.

handheld lenses can be used at crime scenes

lights micrscope are used to examine eveidnce and to seperate evidence for further analysis.

Organizing information

There are many chemicals used by forensic scientists

forensic scientist use chemistry to analyze :

drugs , alchohol , poisons , fire accelerants and explosive

some chemicals reveal bloodstains

other chemicals detect finger prints

other chemicals can detct gunshot residue

tools used by forensic scientist are

chamicals , micrscopes , chromatographs , spectrometer , computers

forensic scientists must have good communication skills

Forensic science is the use of science to investigate legal matters.

Forensic scientist do more than investigate crime scene

investigate fires for clues about arson

verify documents and products

identify victims of accidents and disasters

identity

The second meaning involves the question "whose is it?"

the first meaning involves the question|"what is it?"

Testifying in court

An expert witness is someone who has education , traing or significant experince

Analyzing eviedence

When a crime is comitted some kind o evidence will always be produced.