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  2. Definition An IED is a device, assembled by an organization or an individual in contravention to the existing rules of Law of Nation adopting unconventional or semi-conventional methods of assembling a standard device, ammunition/explosives or commercial, with a criminal/anti-national intention. The design of an IED will depend on the lethality of a bomb

  3. IED • The effects of an IED explosion are not standard and predictable • The effects will vary in each case, depending on : • Components • Quality of explosive • Casing • Quantity of splinters

  4. Components of an IED • Explosives • Detonator • Power Source (Battery) • Initiation Mechanism (Switch)

  5. Switch + Explosive & Detonator Battery - Components of an IED…

  6. Briefcase Bomb with Mechanism

  7. Initiation Mechanism The switch is a mechanism incorporated to ensure initiation of an IED in a predetermined pattern so as to ensure success in destroying the target in a well deliberated manner.

  8. Chain of Detonation Flame Producer Booster Flame Carrier Main Charge Detonation Wave Carrier (Cordtex) Detonator 1 2 3 4 5 6

  9. Explosive and its Accessories A. Flame Producer : Match fuse, Match box, Igniter safety fuse striker B. Flame Carrier : Safety fuse C. Detonator : Safety Fuse Mercury Fulminate ASA Mixture Base Charge (CE)

  10. Explosive and its Accessories… D. Detonation Wave Carrier(Primacord) • Length : 150 m • Explosive : PETN • Deto. Vel. : 6000 to 8000 m/s E. Booster : To boost up the detonation waves • CE Powder : Brown • GC Powder : White F. Main Filling

  11. Fuse Burning Cordtex Safety Fuse Delay Fuse Detonator Explosive Accessories

  12. Initiation Mechanism The switches can either be classified as Electrical, Mechanical & Miscellaneous. Types of Initiation Mechanism • Anti-handling • Delay • Ambient • Command

  13. Types of Initiation Mechanism… Anti-handling • Pressure • Pressure release • Pull • Pull/release • Tilt • Anti-penetration • Lift • Pendulum • Tension Delay • Mechanical Timer • Clock/Watch • Quartz Watch • Electronic Timer • Pyrotechnics • Thermal • Electro Chemical • Chemical • Expanding seeds

  14. Types of Initiation Mechanism… Command • Car remote • Cordless Bell • FM Radio • Command Wire • Aero Modeling Ambient • Temperature • Smoke/Gas • Sound • IR Rays • Proximity • Humidity • X Rays • Light

  15. Questioning Technique • What time the bomb will explode ? • Where is the bomb located ? • What type of bomb is ? • How will we get rid of the bomb ? • What is your good name ? • Why have you kept the bomb ? • Where are you speaking from ?

  16. Search Rules & Technique of an IED • Search Rules • Search Technique • What to look for ? (Tell Tale Sign) • Points to remember • Action on locating IED

  17. Search Rules & Technique Search Rules • Don’t touch or handle suspicious object • Don’t assume only one device is planted • Use maximum two persons per room or for all area up to 250 Sq. ft. • Use Searches in alternate room

  18. Search Rules & Technique… Search Rules • Give rest after every 10 min. • Never use searches more than necessary • Clearly mark the area searched • Trust nothing and assume nothingsafe

  19. Search Rules & Technique… Search Techniques • Obtain maximum information about the device • Listen before entering a room • Be careful about booby trap, at the door itself and also throughout the search • Make a visual survey of the entire area of the room

  20. Search Rules & Technique… Search Techniques • Divide the area while carrying out Search : • Waist level • Eye level • Ceiling level • Above Ceiling level

  21. Search Rules & Technique Search Techniques • Search back to back by two persons, meet in center and go back again • Rest after each Search • Mark the Searched area • Report about the area and suspected object • Ask for help from expert

  22. Search Rules & Technique What to look for ? (Tell Tale Sign) • Recently disturbed area • Saw dust, Brick dust, Wood chips • Greasy Paper Wrappings • Out of place object • Disturbed Carpenter • Tin foils

  23. Search Rules & Technique What to look for ? (Tell Tale Sign) • Partly open window/door/drawers • Fresh plaster/Cement • Loose Electric Fittings • Fish-line, dirty ropes, electric wire • Cut vegetation

  24. Search Rules & Technique What to look for ? (Tell Tale Sign) • Military container of explosive • Dirty foot prints • Scratched or new paint • New brick work/plaster

  25. Search Rules & Technique Points to Remember • Don’t touch or remove the packet • Don’t open with hands or puncture • Don’t submerge in water • Don’t accept identification mark on the face value • Don’t bring suspect bomb to police station

  26. Search Rules & Technique Points to Remember • Don’t open unless duty bound • Evacuate the people to a safe area • Don’t use radio • Open all doors and windows • Don’t be a Dead Hero

  27. Scooter Bomb found at Bombay in March,1993

  28. Search Rules & Technique Action on locating an IED • Buttress : It’s an action of putting sand bags near the object to protect • Baffling: It’s an action of putting mattress etc. to minimise damage due to blast and fragments • Venting : It’s an action of opening all doors and windows of the room.

  29. Bomb Incident Planning Cycle Bomb Threat/Incident Notification IED Location known IED Location not known IED Detonates a Investigation Search Collect Evidence Reconstruction RSP Remove Remove Analysis Establish modus operandi TPT RSP TPT Conduct apprehension TPT RSP Remove Conviction Disposal

  30. Render Safe Procedure (RSP) Tool Kit

  31. Render Safe Procedure (RSP) Tool Kit

  32. Counter IED Operation • We can use mnemonic • “UNITED NATIONS” U -Useful information prior to responding N-Notify appropriate people I-Initial Response to scene T-Time element involved E-Establish Command Post D-Decide Techniques

  33. N- Notify the Field Commander A- Attack an IED T-Transport the physical evidence I-Investigate Crime O-Orientate Pertinent Facts N-Notify Appropriate People S-Synopsis

  34. Bomb Detection Technique Technician Neutralizing an IED

  35. Bomb Detection Technique Snake Eye Camera

  36. Bomb Detection Technique Confirming presence of Explosive by Sniffer Dog

  37. Bomb Detection Technique Removing a suspected Car Bomb with Robot

  38. Bomb Detection Technique Mini Detector

  39. Bomb Detection Technique Electronic Stethoscope

  40. Bomb Detection Technique The door of a suspected Car being opened by Car Remote Opening Tool Kit (CROT)

  41. Bomb Disposal Technique Robot

  42. Bomb Disposal Technique Cordtex Opening Technique

  43. Bomb Disposal Technique Cutting a wire of a Detonator by Mechanical Wire Cutter

  44. Bomb Disposal Technique Neutralizing an IED with Water Cannon

  45. Bomb Disposal Technique Cutting the wire by Remote Wire Cutter

  46. Bomb Disposal Technique Explosive Opening Techniques-Shot Gun Method

  47. Bomb Disposal Technique Disrupting the Power Source by Disrupter

  48. Bomb Disposal Technique Burning of Explosives

  49. Bomb Disposal Technique Making a hole in a suspected package with thermal cutter

  50. Bomb Disposal Gears Bomb Suit

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