Products For Labs. DNA Services. DNA Expert Witness. Independent Forensics (IFI) develops new innovative and reliable products and services for crime laboratories, forensic genetics, and human identification. We are also an AABB accredited laboratory in the state of IL, and we can help you with you legal DNA paternity and relationship testing for immigration cases. Our office is located in Lombard, IL. Please call, text, or email [email protected] to schedule an appointment for DNA collection or discuss your case.