Double Helix
- Episode aired Apr 23, 1997
- TV-PG
- 53m
DNA can be used to convict or exonerate a person, identify criminals and victims, and can be collected in a variety of ways.DNA can be used to convict or exonerate a person, identify criminals and victims, and can be collected in a variety of ways.DNA can be used to convict or exonerate a person, identify criminals and victims, and can be collected in a variety of ways.