1. The history, development, and characteristics of explosives and propellants (Robert B. Hopler). 2. Physics of explosion hazards (Bibhu Mohanty). 3. Detection of hidden explosives (Susan Hallowell, Richard Lareau, Ronald Krauss, Curtis Bell, Joshua Rubinstein, Polly Gongwer, Pamela Beresford, and James C. Weatherall). 4. General protocols at the scene of an explosion (Jean-Yves Vermette). 5. Recovery of material from the scene of an explosion and its subsequent forensic laboratory examination—a team approach (Richard A. Strobel). 6. The management of casework within the united kingdom forensic explosives laboratory (Sharon Broome and Clifford Todd). 7. Aircraft explosive sabotage investigation (John H. Garstang). 8. Evidence of explosive damage to materials and structures in air crash investigations (Maurice Baker, John Winn, Steve Harris, and Nigel Harrison). 9. Investigation of gas phase explosions in buildings (Christopher D. Foster). 10. Vehicle-borne improvised explosive devices (Donald J. Sachtleben). 11. Investigation of pipe bombs (Edward C. Bender and Alexander D. Beveridge). 12. Improvised explosives characteristics, detection, and analysis (Kirk Yeager). 13. Quality and the trace detection and identification of organic high explosives (Sean Doyle). 14. Chromatography of explosives (Bruce McCord, Inge Corbin, and Edward Bender). 15. Analysis of explosives by mass spectrometry (Tsippy Tamiri and Shmuel Zitrin). 16. Analysis of explosives by infrared spectrometry (Shmuel Zitrin and Tsippy Tamiri). 17. Portable explosive detection instruments (Sarah Benson, Naomi Speers, and Vincent Otieno-Alego). 18. The significance of analytical results in explosives investigation (Gerard T. Murray). 19. Forensic pathology of explosive injury (Indira Kitulwatte and Michael S. Pollanen). 20. Presentation of explosive casework evidence (James W. Jardine).