CODIS (Combined DNA Index System) is the FBI's main database program for storing and comparing DNA information from criminal cases. Think of it like a giant digital filing cabinet that helps law enforcement match DNA evidence from crime scenes to potential suspects. It's similar to how fingerprint databases work, but for DNA instead. When agencies mention CODIS in job descriptions, they're typically referring to working with this database system to help solve crimes or identify missing persons.
Managed CODIS database entries and quality control procedures for state crime laboratory
Processed DNA samples for CODIS uploads and maintained database compliance
Conducted DNA analysis and prepared specimens for CODIS submission
Typical job title: "CODIS Analysts"
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Q: How would you handle a situation where there's a potential DNA sample contamination issue?
Expected Answer: A senior analyst should explain the quality control procedures, documentation requirements, and steps for investigation and correction of contamination issues, including notification protocols and re-testing procedures.
Q: What experience do you have with CODIS database management and compliance?
Expected Answer: Should discuss experience with maintaining database integrity, ensuring compliance with FBI standards, managing user access, and coordinating with other agencies for data sharing.
Q: Explain your process for reviewing and uploading DNA profiles to CODIS.
Expected Answer: Should describe the step-by-step process of profile review, quality checks, and proper documentation procedures before uploading to the database.
Q: How do you maintain chain of custody for DNA evidence?
Expected Answer: Should explain documentation procedures, evidence handling protocols, and importance of maintaining proper records for court admissibility.
Q: What are the basic requirements for a DNA profile to be eligible for CODIS upload?
Expected Answer: Should be able to explain basic eligibility criteria for DNA profiles, including quality standards and necessary documentation.
Q: Describe the different types of searches possible in CODIS.
Expected Answer: Should know about basic search types like forensic searches (crime scene to crime scene) and offender searches (crime scene to known offender).