How can people realise you from your fingerprint? For example how can the police tell who did a crime simply by

Question: How can people realise you from your fingerprint? For example how can the police tell who did a crime simply by scanning their fingerprint?
- Keywords:
  crime,
  fingerprint,
  forensics,
  police
Asked by shadeta to Ed, Hayley, Jason, Nathan, Sophie on 16 Mar 2013.
- Hayley Evers-King answered on 16 Mar 2013:
  
  Because your finger prints are totally unique to you. No one has ever been found to have the exact same finger prints as another person. Police can therefore use this evidence to link you with a crime.

Question: How can people realise you from your fingerprint? For example how can the police tell who did a crime simply by scanning their fingerprint?