Chain of custody documents evidence handling throughout criminal investigations. Evidence helps establish crime elements and identify suspects. Common evidence includes blood, DNA, documents, photos, and digital data
LCMS combines liquid chromatography and mass spectrometry for analysis. Sample is first separated by LC, then analyzed by MS. Technique provides high sensitivity and selectivity for complex mixtures
Forensic science combines science with law to inform criminal justice system. Scientists collect, analyze, and synthesize data from various scientific disciplines. Forensic scientists report findings to courtrooms, investigative staff, or legal experts