According to NFPA 1033, what is required of fire investigation experts?

The requirement for fire investigation experts to stay current in their fields is critical for ensuring they are equipped with the latest knowledge and techniques in fire investigation. This includes understanding evolving technologies, methodologies, and legal standards, which can change over time. By remaining up-to-date, experts can enhance their investigative skills, provide accurate assessments, and contribute effectively to fire investigations.

The other options, while they may have some relevance in various contexts, do not reflect the specific requirements laid out in NFPA 1033. Conducting investigations in pairs might be a practice for safety or thoroughness but is not a requirement established under NFPA 1033. Similarly, while having significant experience and passing examinations might be beneficial, the explicit emphasis of NFPA 1033 is on the necessity for professionals to continuously update their knowledge and skills as the field progresses.