When an accident occurs, the people involved are usually so busy living it that they don't have a chance to note every detail concerning the case and circumstances of the accident. One of the most common things people say concerning an accident is that it all happened so fast. That is where an Accident investigator can play a very important role. These professionals carefully investigate the accident itself and the events that led up to it, and then use that information to reconstruct an accurate picture of exactly what happened during the accident and how it was caused.

An "accident" is defined as "an unexpected and undesirable event"