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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 />

Paint Examinations<br />

The layer structure <strong>of</strong> a quest oned pa nt sample<br />

can be compared w th a known source from a<br />

suspect. The sequence, relat ve th ckness, color,<br />

texture, number, and chem cal compos t on <strong>of</strong><br />

each <strong>of</strong> the layers can be compared.<br />

The color, manufacturer, model, and model year<br />

<strong>of</strong> an automob le may be determ ned from a pa nt<br />

ch p. Sourc ng automot ve pa nts s l m ted to<br />

factory-appl ed, or g nal automot ve pa nt.<br />

Pa nt on safes, vaults, w ndows lls, and door<br />

frames can be transferred to and from tools. A<br />

compar son can be made between the pa nt from<br />

an object and the pa nt on a tool.<br />

The Laboratory w ll not exam ne ev dence to<br />

authenticate fine art or historical artifacts or to<br />

source spray pa nt or arch tectural pa nts.<br />

Questions concerning paint evidence should<br />

be directed to 703-632-8441. Follow the<br />

ev dence subm ss on d rect ons, nclud ng<br />

Requesting Evidence Examinations and<br />

Packaging and Shipping Evidence.<br />

ß<br />

Search the acc dent or cr me scene and the<br />

personal effects <strong>of</strong> the v ct m(s) to locate pa nt<br />

101

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