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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 />

Abrasives Examinations<br />

Exam nat ons may determ ne the type <strong>of</strong> abras ve<br />

mater al used to sabotage eng nes or mach nery.<br />

Questions concerning abrasives evidence<br />

should 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 />

ß<br />

ß<br />

ß<br />

Employ personnel fam l ar w th the operat ons<br />

and mechan cs <strong>of</strong> eng nes and mach nery to<br />

recover abras ves.<br />

Abras ves settle n o l and fuel. Subm t the o l<br />

and fuel from the engine pump and/or filters.<br />

Abras ves embed n bear ngs and other parts.<br />

Subm t the bear ngs and other parts.<br />

Subm t abras ves n heat-sealed or resealable<br />

plast c bags or pa nt cans. Do not use paper<br />

or glass conta ners.<br />

Adhesive, Caulk, and Sealant<br />

Examinations<br />

Adhes ves, caulks, and sealants can be compared<br />

by color and chem cal compos t on w th suspected<br />

14

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