Ch. 3 Investigation of Explosions Flashcards
What are 3 ways that an explosion can occur?
1) Industrial accidents
2) Household accidents
3) Criminal intent
How are aerial overview photos useful in documentation?
They help view the totality of the circumstances
What is a great tool for aerial photos?
Drones
How do you mathematically establish the preliminary perimeter?
Take the distance of your furthest piece of evidence and multiply it by 1.5
Define seat of explosion.
Crater-like indentation created at the point of origin of some explosions
What is the purpose of the faro scanner?
Provide laser-produced aerial & eye-level views
What are the 4 R’s of explosion investigation?
1) Recognition
2) Recovery
3) Reassembly
4) Reconstruction
What are the 4 C’s of explosion investigation?
1) Container
2) Concealment
3) Content
4) Connections
What is the purpose of the 4 C’s?
Help you remember what to look for during an explosion investigation
Define primary fragmentation.
Fragments from the device
Define secondary fragmentation.
Fragments from everything else shattered during the blast
What does the absence of a container indicate?
A high explosive may have been used since they don’t need one
What does concealment refer to?
Whatever the bomb was placed/hidden in
What do connections refer to?
Physical arrangement or sequence of events
What are the 4 primary search patterns in explosion investigation?
1) Contracting spiral
2) Sector/zone search
3) Strip search
4) Grid search
