biometric, facial recognition, iris scanning, screening, identification, biometric identification, profiling, scanning, scanners, retinal scanning, thumbprint, swabbing, patdown, polygraph, forensic, criminalistics, frisk, narcoanalysis, ballistic fingerprinting, breathalyzer, voiceprint, biometric authentication, surveillance, filtering, verification, detection, passport, x raying, backscatter, tagging, explosive trace detection, screeners, vetting, machine readable, metal detector, colposcope, law enforcement, biographic, registration, testing, ballistics, database, punchcard, identifiers, detectors, redaction, databasing, arrestee, nondestructive, policing, imaging, polygraphy, procedures, checks, racial profiling, mapping, paternity testing, microdissection, identity verification, iris, electroencephalography, processing, personal identification number, enforcement, accessioning, inspection, spectrometry, copyrighting, sallyport, micrographic, face recognition, tattooing, wands, digitizing, x ray, watermarks, techniques, authenticating, tokenless, urinalysis, genetic fingerprinting, vouchering, tomograph, misidentification, collow, monitoring, searches, degaussing, lie detector, mugshot, alienage, safeguards, physicals, lab, xray, sheriffs, inoculations, microchips, immigration, interviewing, prints, explosive detection system, sequencing, cloning, assays, fingerprint, fingerprints, assay, genotyping, pcr, taxonomy, typing, hybridization, immunoassay, fractionation, immunoassays, mutagenesis, synthesis, authentication, controllers

voluntarily

procedure, process