woodk17 woodk17
  • 04-09-2014
  • Physics
contestada

Explain
why contact trace evidence is so important in solving crimes.

Respuesta :

Trim
Trim Trim
  • 04-09-2014
Contact is 'touching'.  If a person 'touches' something skins cells, sweat and DNA are left behind.  This confirms that a person was present.
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