Tag: forensic light source
Alternate Light Sources: Finding Fingerprints with ALS in Forensic Investigations
- By : Ian Brophy
- Date : Feb 28 2026
Alternate Light Sources (ALS) reveal invisible fingerprints and trace evidence using specific wavelengths of light. Used in forensics, ALS finds prints on plastic, metal, and porous surfaces where powder fails - transforming how crime scenes are processed.
Popular Posts
Tags
chain of custody
lab accreditation
forensic documentation
trace evidence
biohazard cleanup
forensic science
forensic DNA
crime scene investigation
forensic evidence
forensic toxicology
criminal profiling
forensic ballistics
bloodstain patterns
drug testing
forensic photography
expert testimony
forensic pathology
homicide investigation
evidence preservation
fingerprint analysis