Handbook of Forensic Services (pdf) - FBI

More documents

Recommendations

Info

Handbook of Forens c Serv ces 2007 determ ned. The magn tude of the force or load that caused the fa lure, how the force or load was transm tted to the metal, and the d rect on t was transm tted also can be determ ned. Burned, Heated, or Melted Metal Exam nat ons can determ ne the approx mate temperature to wh ch a metal was exposed, the nature of the heat source, and whether a metal was n an electr cal short-c rcu t s tuat on. Cut or Severed Metal Exam nat ons can determ ne the method by wh ch a metal was severed, such as saw ng, shear ng, m ll ng, turn ng, or thermal cutt ng. The nature of the thermal source (e.g., burner bar, electr c arc welder) used can somet mes be determ ned. Metal Fragments Exam nat ons can determ ne how metal fragments were formed. If fragments were formed by mpuls ve (short-durat on, h gh stra n rate) load ng, an exam nat on can determ ne whether an explos ve was detonated and the magn tude of the detonat on veloc ty. The nature of the object that was the source of the fragments often can be determ ned as well. 92
Handbook of Forens c Serv ces 2007 Specification Fraud and Noncompliant Materials Metallurg cal test ng of mater als can determ ne whether nfer or components were subst tuted n contract ng frauds. The compos t on and mechan cal propert es of mater als can be exam ned to determ ne f the components meet contractual obl gat ons or appropr ate regulatory codes. Prec ous-metal content also can be determ ned. Lamp Bulbs Exam nat ons can determ ne whether a lamp bulb was ncandescent when ts glass envelope was broken. Determ nat ons also can be made as to whether a lamp bulb was ncandescent when t was subjected to an mpact force such as a veh cular coll s on. Such determ nat ons can be made even f the glass was broken by the mpact. Watches, Clocks, and Timers The cond t ons caus ng a watch, clock, t mer, or other mechan sm to stop or malfunct on and whether the t me d splayed represents a.m. or p.m. (calendar-type t m ng mechan sms only) can be determ ned. The on/off cond t on of appl ance timers damaged by a fire or explosion often can be determ ned. 93
Page 2 and 3:
Handbook of Forensic Services (rev
Page 4 and 5:
Th s page ntent onally left blank
Page 6 and 7:
ß ß Handbook of Forens c Serv ces
Page 8 and 9:
Handbook of Forens c Serv ces 2007
Page 10 and 11:
Page 12 and 13:
ß ß ß ß ß Handbook of Forens c
Page 14 and 15:
ß ß ß ß ß ß ß Handbook of Fo
Page 16 and 17:
ß ß ü ü Handbook of Forens c Se
Page 18 and 19:
Page 20 and 21:
Page 22 and 23:
Page 24 and 25:
Page 26 and 27:
Page 28 and 29:
ß Handbook of Forens c Serv ces 20
Page 30 and 31:
Page 32 and 33:
Page 34 and 35:
Page 36 and 37:
Page 38 and 39:
Page 40 and 41:
Page 42 and 43:
Page 44 and 45:
Page 46 and 47: Handbook of Forens c Serv ces 2007
Page 48 and 49: ß Handbook of Forens c Serv ces 20
Page 50 and 51: ß ß ß ß ß ß ß Handbook of Fo
Page 60 and 61: ß ü Handbook of Forens c Serv ces
Page 66 and 67: ß ß Handbook of Forens c Serv ces
Page 74 and 75: ß ß ß ß ß Handbook of Forens c
Page 86 and 87: ß ß ß Handbook of Forens c Serv
Page 88 and 89: ß ß ß ß Handbook of Forens c Se
Page 104 and 105: Tissue Handbook of Forens c Serv ce
Page 128 and 129: 6. 7. 8. 9. Handbook of Forens c Se
Page 146 and 147:
Page 148 and 149:
ß ß ß Handbook of Forens c Serv
Page 150 and 151:
Page 152 and 153:
Page 154 and 155:
Page 156 and 157:
Page 158 and 159:
Page 160 and 161:
ß ß ß ß ß ß ß Handbook of Fo
Page 162 and 163:
Page 164 and 165:
Page 166 and 167:
Page 168 and 169:
Page 170 and 171:
Page 172 and 173:
Page 174 and 175:
Page 176 and 177:
Page 178 and 179:
ü ü ü ü Handbook of Forens c Se
Page 180 and 181:
Page 182 and 183:
Narrative Handbook of Forens c Serv
Page 184 and 185:
Page 186 and 187:
Page 188 and 189:
Page 190 and 191:
Page 192 and 193:
Page 194 and 195:
Page 196 and 197:
Page 198 and 199:
Page 200 and 201:
U Un versal precaut ons, 150-152 Ur
Page 202:
198
show all

Handbook of Forensic Services (pdf) - FBI

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?