Insanity is often the logic of an accurate mind overtaxed.
The poor computer simply didn't know any better. The crime scene technician had fallen victim to the plague of Precision Without Accuracy, a malaise common to non-scientists, computer weenies, and used car salesmen. The terms accuracy and precision are often used synonymously, to mean exactness or freedom from error. Accuracy is the degree of exactness actually possessed by an approximation or measurement. Precision is the degree of exactness with which a quantity is expressed.