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Handbook of Forensic Services (pdf) - FBI

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<strong>Handbook</strong> <strong>of</strong> Forens c Serv ces 2007<br />

Blood on a Person<br />

ß<br />

ß<br />

Absorb suspected l qu d blood onto a clean<br />

cotton cloth or swab. A r-dry the cloth or swab<br />

and pack n clean paper or an envelope w th<br />

sealed corners. Do not use plast c conta ners.<br />

Absorb suspected dr ed blood onto a clean<br />

cotton cloth or swab mo stened w th d st lled<br />

water. A r-dry the cloth or swab and pack n<br />

clean paper or an envelope w th sealed<br />

corners. Do not use plast c conta ners.<br />

Blood on Surfaces or in Snow or Water<br />

ß<br />

ß<br />

Absorb suspected l qu d blood or blood clots<br />

onto a clean cotton cloth or swab. A r-dry the<br />

cloth or swab and pack n clean paper or an<br />

envelope w th sealed corners. Do not use<br />

plast c conta ners.<br />

Collect suspected blood n snow or water<br />

mmed ately to avo d further d lut on. El m nate<br />

as much snow as poss ble. Place n a clean,<br />

a rt ght conta ner. Freeze the ev dence and<br />

subm t to the Laboratory as soon as poss ble.<br />

48

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