Saliva

Saliva is deposited on the skin (and clothing, if present) during biting and sucking. The quantity and quality of this may enable DNA analysis after swabbing of the unwashed injury site. The double-swab technique is effective for this procedure (12). Please note that salivary DNA has been reported as having been recovered from the bitten breast of a young deceased woman found submerged in water (13). The saliva swabs (with controls) must be clearly and correctly labeled and stored appropriately (see Chapter 3).

Oral saliva samples will be needed from any potential suspect, and the victim of an assault if there is a possibility that the victim bit the assailant (or self-infliction is suspected).

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