Forensic scientists both help solve crimes and aid in exonerating innocent people. They use scientific methods ...

For decades, investigators have treated fired bullets and casings as nearly hopeless surfaces for fingerprints, assuming the blast of heat and pressure wiped away the most telling traces of who pulled ...

Duct tape found at crime scenes can provide forensic scientists with important information, but no standardized protocol for analyzing it has ever existed. Trace evidence is usually invisible to the ...

This study was supported by Contract No. 2014-IJ-CX-0113 from the U.S. Department of Justice/National Institute of Justice. Any opinions, findings, conclusions, or recommendations expressed in this ...