It's an exact science that helps solve crimes involving hit and run accidents, robberies, and homicides. It's trace evidence examination.
Forensics scientists from across the nation are training in the techniques of trace evidence examination at Michigan State Police Headquarters.
They are specifically using paint particles the size of the head of a pin. It eventually helps nail down the model, year, and even color of an automobile, any crime in which paint could be used as evidence.
Forensic scientists say it takes anywhere between a week to a month to finish the examination.
Through microscopic examinations that expose the layers of paint, to infrared light and x-ray analysis, which determines the chemical characteristics of the sample, it all helps to solve crimes.