ch. 1. Development of police and military dog functions -- ch. 2. Canine biology and behavior -- ch. 3. History and judicial acceptance of tracking and trailing evidence -- ch. 4. Scientific analysis of tracking, trailing, and scent identification / John J. Ensminger and Tadeusz Jezierski -- ch. 5. Tracking and trailing in criminal investigations and prosecutions -- ch. 6. Judicial admissibility of scent lineup evidence -- ch. 7. Scent lineups in criminal investigations and prosecutions / John J. Ensminger and Tadeusz Jezierski -- ch. 8. Judicial admissibility of canine detection evidence -- ch. 9. Scientific issues in detection functions -- ch. 10. Automobile sniffs -- ch. 11. Sniffs of luggage, transportation facilities, and hotels -- ch. 12. Mail and package sniffs -- ch. 13. Sniffs of storage areas, cargo, and commercial spaces -- ch. 14. Residential sniffs -- ch. 15. Currency sniffs -- ch. 16. School sniffs -- ch. 17. Explosives, landmine, and bioweapons detection / John J. Ensminger, John Grubbs, and L.E. Papet -- ch. 18. Accelerant detection dogs -- ch. 19. Cadaver dogs -- ch. 20. Suspect apprehension and bite issues -- ch. 21. Search and rescue dogs.