Handbook of Forensic Services (pdf) - FBI

More documents

Recommendations

Info

Handbook of Forens c Serv ces 2007 Audio Examinations Aud o exam nat ons are conducted by the FBI’s Operat onal Technology D v s on (OTD), D g tal Ev dence Laboratory (DEL), Forens c Aud o, V deo, and Image Analys s Un t (FAVIAU). The OTD DEL has d fferent acceptance cr ter a and a d fferent phys cal address than the FBI Laboratory, as descr bed below. Authenticity Authent c ty exam nat ons are conducted to determ ne whether aud o record ngs are or g nal, cont nuous, unaltered, and cons stent w th the operat on of the record ng dev ce used to make the record ng. Enhancement Enhancement exam nat ons are conducted to select vely reduce nterfer ng no se on aud o record ngs to mprove the ntell g b l ty. Voice Comparisons Spectrograph c exam nat ons compare an unknown recorded vo ce sample w th a known verbat m vo ce exemplar produced on a s m lar transm ss on-and-record ng dev ce such as the telephone. Dec s ons regard ng spectrograph c vo ce compar sons are not conclus ve. The results 18
Handbook of Forens c Serv ces 2007 of vo ce compar sons are prov ded for nvest gat ve gu dance only. Signal Analysis S gnal analys s exam nat ons are conducted to dent fy, compare, and nterpret such s gnals as gunshots and telephone touch tones. Damaged Media Aud o record ngs can be repa red, restored, or retr eved for playback and exam nat on, f damage s not too extens ve. Questions concerning audio examinations should be directed to 703-985-1393. Questions concerning audio evidence should be directed to 703-985-1388. Aud o exam nat ons may not be subm tted d rectly from ent t es outs de the FBI. State, local, or nternat onal agency cases must be subm tted by the FBI field office servicing the area and must meet one of the follow ng two cr ter a: 1) the state, local, or nternat onal case has a nexus to an ongo ng FBI nvest gat on or 2) the FBI d v s on head deems that the case s of enough reg onal mportance to mer t the ded cat on of federal resources to the state, local, or nternat onal case. These cr ter a shall be met w th a wr tten 19
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 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 28 and 29: 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 72 and 73:
Handbook of Forens c Serv ces 2007
Page 74 and 75:
ß ß ß ß ß Handbook of Forens c
Page 76 and 77:
Page 78 and 79:
Page 80 and 81:
Page 82 and 83:
Page 84 and 85:
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 90 and 91:
ß ß Handbook of Forens c Serv ces
Page 92 and 93:
Page 94 and 95:
Page 96 and 97:
Page 98 and 99:
Page 100 and 101:
Page 102 and 103:
Page 104 and 105:
Tissue Handbook of Forens c Serv ce
Page 106 and 107:
Page 108 and 109:
ß Handbook of Forens c Serv ces 20
Page 110 and 111:
Page 112 and 113:
Page 114 and 115:
Page 116 and 117:
Page 118 and 119:
Page 120 and 121:
Page 122 and 123:
Page 124 and 125:
Page 126 and 127:
Page 128 and 129:
6. 7. 8. 9. Handbook of Forens c Se
Page 130 and 131:
Page 132 and 133:
Page 134 and 135:
Page 136 and 137:
Page 138 and 139:
Page 140 and 141:
Page 142 and 143:
Page 144 and 145:
Page 146 and 147:
Page 148 and 149:
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

Create successful ePaper yourself

Delete template?

Save as template?