Importance of Paint Trace Evidence

Importance of evidence of paint traces Traces of paint traces can be seen in many crime scenes, but it is most common in automobile accidents and theft cases (Saferstein, 2009). Vehicles often leave dirt and garbage of paint at the time of a collision, and when it comes in contact with the painted surface during theft, the paint stains may be generated by the theft tool. Paint is particularly important in the event of an accident. You can judge whether cars are involved in an accident by comparing dirt and garbage of paint with suspect's car.

Trace evidence trace evidence may include gun residue (GSR), paint residue, chemicals, glass, and illegal drugs. To gather evidence of traces, CSI may use tweezers, plastic containers with lid, filtered vacuum equipment and a knife. In addition, biohazard kits such as disposable latex gloves, boots, masks, robes, biohazard trash bags are also available. If the crime involves a gun, the lab collects clothes from the victim and someone on the scene, so the lab can test the GSR. While someone else's GSR can show suspects, the victim's GSR can indicate near-range shooting. CSI puts all the clothes in a sealed paper bag and brings it to the laboratory. If you find illegal drugs or unknown powders at the scene, he can collect them with a knife and then seal each sample in a separate sterile container. The laboratory can identify substances, determine their purity, and can examine other substances in samples in trace amounts.

Microscopy is important for legal science. Because it allows us to compare and analyze evidence such as trace evidence. Which paint elements do forensic scientists use to compare samples with each other? By comparing the three main products, you can compare paint samples to each other! Which pigment can be added to produce a specific color? Another is a binder that supports coatings and solvents that can disperse these materials.

In sexual assault investigation, a number of other forensic evidences may be very valuable; examples include micro-evidence (eg, hair, fiber, glass, paint or soil), toxicology, mobile phones Digital forensics, and impression and pattern evidence (fingerprints, shoe prints, tire traces, handwriting, etc.). A survey shows that in addition to bodily fluids, fingerprints and hair are the most common types of physical evidence collected and examined in sexual assault cases. Between 2005 and 2010, sex offenders reported that 11% of rape or sexual victims victims used guns, knives or other weapons, the Bureau of Statistics Bureau reported. All these types of non-DNA forensic evidence can be used to identify suspects, tie suspects to victims, tie suspects to crime scenes, and confirm other evidence.