nowadsys police in many countries keep millions of fingerprints on computer files when they find a fingerprint at a crime scene they can easily match it to fingerprints on their
computers As a result it is much easier to identify criminals through DNA.
DNA is infromation carried in our bodies DNA is responsible for the colour of our hair the
colour of our eyes and everytjing else about us Just as on two people have the same fingerprints on two people have the same DNA police can now identify criminals from the DNA in a single hair or even a tiny drop of blood left at a drime scene Science is becoming a very important part of police work