It is essential to get preliminary statements as soon as possible from all witnesses. Listen, let each witness speak freely, and be professional, courteous and considerate. Take notes without distracting the witness. Use a tape recorder only with consent of the witness. Use sketches and diagrams to help the witness.
Label hearsay accordingly.
Do not argue with the witness. Accident Analysis Accidents represent problems that must be solved through investigations. Formal procedures are helpful in identifying and solving problems. As its name implies, this technique emphasizes change. To solve a problem, an investigator must look for deviations from the norm.