Apart from forensic medical examinations (external examination and autopsy), three-dimensional technologies and high-tech methods are gaining more and more importance in accident and crime investigations. Radiological imaging and 3D surface scanning deliver highly precise 3D data of accident victims and damaged vehicles. Based on these digital data computer-assisted, drawn-to-scale analysis of the injuries of the body and damages to the vehicle allow for the reconstruction of the course of accident.

In the present work a collision between a car and a cyclist was analyzed with the described methods. The body of the accident victim was scanned with MSCT and 3D optical surface scanning. The accident car and the bicycle were also digitized with the surface scanner. The accident scene was documented by the use of a 3D laser scanner and photogrammetry. With the real data based reconstruction the collision position of the vehicles and the course of the accident could be determined. Furthermore, an external institution used the collected data to estimate the velocity of the car at time of collision.