Every day, people come in contact with legal and illegal substances, whether directly or indirectly – such as handling cocaine-contaminated bills. How do crime laboratories separate the difference from cross-contamination on the scientists and the samples from casework? Continue reading Drugs, Drugs Everywhere
Biochemists optimize direct PCR to cut down on sample manipulation and preparation time, obtaining full profiles with minimal effort. Continue reading Just a “Touch” of DNA Gives Full Identification of Skin Cell Donor
While seizing illicit drugs, CSI techs and police are potentially exposed to potent, life-threatening opioid compounds. Could this field detection method allow on-site screening and the protection of law enforcement? Continue reading Don’t touch that bag!
Researchers from Eulji University in South Korea explore a way of ascertaining when a crime occurred by developing a method that can determine the age of a bloodstain. Continue reading Bloody Clocks Do Tell Time
Researchers as Oklahoma State University and the ATF show that setting a meth lab aflame does not cover the perpetrator’s tracks; both accelerant and drug evidence can be recovered and identified. Continue reading Arson can’t keep us down: identifying meth amidst a fire scene
Researchers explore the possibility of using ultraviolet light to detect cocaine in saliva, without pre-treating the sample. Continue reading The Case for the Detection of Cocaine in Saliva
Researchers at the University at Albany have determined how to track changes in blood stains to determine their age using Raman spectroscopy. Continue reading How can blood tell us when a crime happened?