Traffic Homicide Investigator [THI] Law and Legal Definition

Traffic Homicide Investigator (THI) refers to a law enforcement officer who investigates deaths occurred from motor vehicle accidents. THI are the officers who are specially trained in traffic laws.

Some duties of THI are the following:

1.Documenting the scene of crash;

2. Documenting the curvature and width of the road where the fatality occurred;

3.Documetning the attitude of the operators of the vehicles;and

4.Documenting many other other elements affecting collissions