CNN Anderson Cooper 360 May 23, 2015 00:17:00
>> put it in a tube and get the cells out and proceed with the dna constructions. >> a machine separates out the dna. >> this is releasing the dna from the cell. >> then the sample is sample is ampified with the help of another machine. the laser traced the dna. what you see here. >> it's unique called a dna fingerprint to solve the case. that fingerprint can be added to or matched in a federal database including 14 million different profiles. >> hair, saliva, urine, semen. >> small clues picked up and they can yield millions of cells or just a few. cnn, new york. >> fascinating stauf.