How and when are fingerprints used?

~When providing biometric security ( That means you have to put your finger on an electronic pad so it can identify your fingerprint and allow you access inside a place.)

~Conducting background checks

~Identify murder weapons that a killer may have used

~A thief leaves their fingerprints on a broken safe

~When burglars leave their fingerprints on window panes or any other part of the house they touch