Identificaciones policiales Police IDs

The first application of this kind was conducted in the UK in 1985 and since then it is a basic means that the police have to identify the perpetrators. It consists of an analysis of DNA from samples of hair, blood or other remains.

Solving crimes of sexual assault has been one of the most-favored with this technique. Identifying individuals is accomplished through DNA analysis of the remains of semen in the victim.

One of the techniques used is called a DNA fingerprint or DNA fingerprint. It uses a class of enzymes to break down the DNA samples into fragments that will be subjected to electric shocks.

This process will make them ordered in a particular way. After an X-ray film is obtained fingerprint characteristic of each type of DNA.