Chapter 18

Chapter 18 PowerPoint PPT Presentation


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Arson. Arson and. Arson and Bombing. Arson and Bombing Investigations. Menu. Crime of ArsonInvestigating ArsonCriminal BombingScenario- Up In Smoke. The Crime Of Arson. One of the most frightening crimes. . . . . . . . . . . . . One of the most frightening crimes Involves destruction of property and lives.

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Chapter 18

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36. Fire Triangle 3 Basic Elements

37. Fire Triangle 3 Basic Elements

38. Fire Triangle 3 Basic Elements

39. Fire Triangle 3 Basic Elements

41. Direct Ignition Setting a fire by directly applying a flame

42. Direct Ignition Setting a fire by directly applying a flame

43. Direct Ignition Setting a fire by directly applying a flame

44. Delayed Ignition Setting a fire indirectly by means of mechanical, chemical or other timing devices

45. Delayed Ignition Setting a fire indirectly by means of mechanical, chemical or other timing devices

46. Burn Patterns Show the effect of burns or partial burns during a fire

47. Burn Patterns Assist in determining the point of origin of the fire, spread of the flames

48. V Patterns Depth of Charring Smoke Alligatoring Burn Patterns

49. Crazing Pour or Spill Spalling Burn Patterns

50. When a fire is unobstructed and has an upward draft, flames fan upward... V Patterns

51. Creating a V or cone shaped burn pattern V Patterns

52. Alligatoring A scalelike burn pattern on wood

53. Alligatoring Large scales indicate rapid, intense heat

54. Alligatoring Small flat scales indicate low intensity heat over a long period of time

55. Pattern caused by pouring some kind of liquid accelerant Pour or Spill

56. on a floor surface and igniting it Pour or Spill

57. on a floor surface and igniting it Pour or Spill

58. on a floor surface and igniting it Pour or Spill

60. Dark blackening of burned wood Depth Of Charring

61. Irregular cracks and lines in glass and ceramic materials Crazing

62. caused by rapid, intense heat Crazing

63. Chipping, crumbling or flaking of cement or masonry caused by rapid,intense heat Spalling

64. Smoke Can assist in determining the initial cause of fire

65. Smoke Color of smoke indicates materials used to start the blaze

66. Smoke Black - Use of Petroleum

67. Smoke

68. Traces of accelerant found at the point of origin - a primary source of physical evidence of an arson fire Arson Indicators

69. Multiple points of origin Speed and spread of fire Arson Indicators

70. Alarm tampering Odors Arson Indicators

71. Holes in the wall or floor Intensity of heat Arson Indicators

72. Several fires are set in widely separated areas to insure better combustion and more complete destruction Multiple Points of Origin

73. Several fires are set in widely separated areas to insure better combustion and more complete destruction Multiple Points of Origin

74. Several fires are set in widely separated areas to insure better combustion and more complete destruction Multiple Points of Origin

75. Odors

76. Gasoline, the most common accelerant Kerosene, paint thinner and other flammable liquids- distinct odors Odors

77. Fires that spread quickly and engulf major portions of a building or structure may be suspicious Speed and Spread of Fire

78. Fires that spread quickly and engulf major portions of a building or structure may be suspicious Speed and Spread of Fire

79. Fires that spread quickly and engulf major portions of a building or structure may be suspicious Speed and Spread of Fire

80. Fires that spread quickly and engulf major portions of a building or structure may be suspicious Speed and Spread of Fire

81. Arsonists sometimes chop holes in walls or flooring to improve the draft for the fire Holes in the Wall or Floor

82. Destroyed or disabled alarms or sprinkler systems may indicate a suspicious fire Alarm Tampering

83. Destroyed or disabled alarms or sprinkler systems may indicate a suspicious fire Alarm Tampering

84. Destroyed or disabled alarms or sprinkler systems may indicate a suspicious fire Alarm Tampering

85. Destroyed or disabled alarms or sprinkler systems may indicate a suspicious fire Alarm Tampering

86. A material (rope or rags soaked in accelerant) shredded paper, gunpowder, fluid accelerant, etc. Trailer

87. Intensity of heat indicates that flammable liquids or compounds were added to the burning materials Intensity of Heat

88. Intensity of heat indicates that flammable liquids or compounds were added to the burning materials Intensity of Heat

89. Different agencies, joint jurisdictions investigate fires Cooperation of Arson Investigators

90. Special units from fire and police departments Cooperation of Arson Investigators

91. Special units from fire and police departments Cooperation of Arson Investigators

92. Special units from fire and police departments Cooperation of Arson Investigators

95. Anarchists Racists Militants Religious Zealots Criminal Bombing

96. Criminals Hate Mongers The Mentally Impaired Criminal Bombing

97. An incident involving an explosive device constructed with criminal intent and using Bombing

98. An incident involving an explosive device constructed with criminal intent and using Bombing

99. Bombing

100. Bombing

101. Explosives

102. Explosives

103. Primary Explosives

104. Primary Explosives

105. Primary Explosives

106. High Explosives

107. High Explosives

108. High Explosives

109. High Explosives

110. High Explosives

111. Low Explosives

112. Low Explosives

113. Low Explosives

114. Low Explosives

115. Low Explosives

116. Low Explosives

117. Blasting Agents

118. Blasting Agents

119. Blasting Agents

120. Explosive Accessories

121. Types of Bombs

122. Pipe Bombs

123. Pipe Bombs

125. Pipe Bombs

126. Fire Bombs

127. Fire Bombs

128. Fire Bombs

129. Fire Bombs

130. Letter and Package Bombs

131. Letter and Package Bombs

132. Letter and Package Bombs

133. Booby Trap Bombs

134. Booby Trap Bombs

135. Investigating Bombing Incidents

136. Searching for Bombs

137. Searching for Bombs

138. Disposing of an Unexploded Bomb

139. Disposing of an Unexploded Bomb

140. Disposing of an Unexploded Bomb

141. Disposing of an Unexploded Bomb

142. Disposing of an Unexploded Bomb

143. Disposing of an Unexploded Bomb

144. Disposing of an Unexploded Bomb

145. Investigating an Exploded Bomb

146. Investigating an Exploded Bomb

147.

149. Let’s Discuss

150. Up in Smoke

151. Up in Smoke

152. Up in Smoke

153. Up in Smoke

154. Up in Smoke

155. Up in Smoke

156. Up in Smoke

157. Up in Smoke

158. Up in Smoke

159. Up in Smoke

160. Up in Smoke

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