FDC DNA Databases & CODIS Flashcards
6 cards from real FDC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 FDC DNA Databases & CODIS flashcards as text
What type of CODIS match links a forensic profile to a known offender profile?
Answer: Cold hit
A 'cold hit' occurs when a forensic profile matches an offender profile in the database with no prior investigative connection.
Which index in CODIS contains DNA profiles of individuals arrested but not yet convicted?
Answer: Arrestee Index
The Arrestee Index contains DNA profiles collected from individuals arrested for qualifying offenses under applicable state or federal law.
What action is required when a CODIS offender match is made but the offender has since been exonerated?
Answer: The profile must be expunged from CODIS
Federal law requires that DNA profiles of individuals who are exonerated or whose charges are dropped be expunged from CODIS.
Which CODIS index specifically helps identify missing persons and unidentified human remains?
Answer: Both Missing Person and Unidentified Remains Indexes
CODIS contains both the Missing Person Reference Index (from relatives) and the Unidentified Human Remains Index to facilitate cross-matching.
What is required before a DNA laboratory can upload profiles to NDIS?
Answer: Meeting Quality Assurance Standards and passing an external audit
Laboratories must meet the FBI's Quality Assurance Standards and pass an external audit before being authorized to upload profiles to NDIS.
A 'case-to-case' CODIS hit occurs when:
Answer: Two forensic profiles from different cases match each other
A case-to-case hit links two unsolved crime scene profiles to each other, suggesting a common source even without a known suspect.
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