The Nose Work Handler: Foundation to Finesse
By Fred Helfers
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About this ebook
This comprehensive book takes you, the handler, from the basics through challenging advanced exercises. Color photographs and helpful diagrams, plus step-by-step instructions, walk you through the basics, coach you on improving your skills, and help you to work through errors and challenges.
Fred's years of professional experiences provide a wealth of insights and help you understand that professional scent problems are much the same as yours.
Fred Helfers
Fred Helfers is a retired police narcotics detective who began handling and training detection dogs in 1982. Fred established the Canine Detection Services kennels in 1984 and trained drug detection dogs for police agencies in the Pacific Northwest. He has trained hundreds of detection dog teams in the United States, Australia, Canada, and Brazil. Fred has also trained detection dogs for insects, natural gas, and accelerants.
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The Nose Work Handler - Fred Helfers
The Nose Work Handler: Foundation to Finesse
Fred Helfers
COPYRIGHT
© 2017 by Fred Helfers. All rights reserved, including the right to reproduce this book or portions thereof in any form whatsoever.
For information, address Fred Helfers at helfers@arczip.com.
K9 Nose Work, Barn Hunt, Q-tips, Solo cups, and other products mentioned in this book are trademarks, service marks, and/or registered trademarks of their respective owners.
Jacket photographs by Sue Town of Pinnicle Photography Jacket design by Cate Bramble ISBN 978-0-996-1899-2-7
Permissions
Images in Figures 10, 48, and 50 by Sue Town of Pinnicle Photography.
Figures 1 – 6, 9, 18 and 19 by Lee Titus, Thin Blue Line K9 LLC.
Figures 7 and 8 by Craven, Brent A., Eric G. Paterson, Gary S. Settles, and Michael J. Lawson.
DEDICATION
To the detection dogs in my life:
Sammy, Corky, Lexi, Casey, and Jillie.
I strive to honor the lessons each taught me.
ACKNOWLEDGMENTS
Dr. Ken Furton — Florida International University. For introducing me to the science of canine olfaction, and his continued support and encouragement.
Ron Gaunt — Cofounder of the National Association of Canine Scent Work (NACSW). For 30 years of friendship and for introducing me to the wonderful world of K9 Nose Work.
Lee Titus — U.S. Customs (retired), Thin Blue Line K9 LLC.
Rudy Schimscha — Dog trainer for the Central Customs Authority of the Federal Republic of Germany. For sharing his wisdom and support during my early years in training detection dogs.
THE POWER OF THE NOSE
I worked as a narcotics detective on investigations and handled drug dogs for more than 20 years. On one occasion, one of my partners was undercover buying large quantities of heroin from a known dealer. After the sale, our narcotics unit would continue surveillance of the drug dealer for future intelligence before making an arrest.
We observed that after drug deliveries the dealer regularly stopped at an out of the way, largely unused park and ride
lot next to a nature preserve near the dealer’s home. The dealer routinely walked into the nature preserve, stayed a few minutes, walked out, and drove home. We suspected that the drug dealer was using the nature preserve to hide drugs or money from the sale of drugs.
After the last drug delivery, the dealer did not stop at the park and ride — he went straight home. We were curious about what might be hidden in the brush. I decided to use Corky, my four-legged partner, to determine whether a hidden stash existed.
I knew from training and experience that the environment would dictate the type of application (search technique) to use with Corky. It was early December in the Pacific Northwest, around 8 PM, lightly raining, and around 40° F — in other words, it was cold, damp, and dark. Corky would need to get close to the source to detect any drug odor.
The nature preserve was an open area with several trails, probably 40 yards (36.5 meters) wide by 80 yards (73 meters) long. Tall grass and maple trees were surrounded by thick blackberry bushes which concealed the nature preserve from the road.
I positioned my human partners on the perimeter for officer safety. I put Corky on a 15-foot (4-meter) line, and started downwind. Working a coal-black Labrador Retriever in the dark was a challenge. I couldn’t use a flashlight because it would diminish our night vision and reveal our location. After approximately 15 minutes of Corky dragging me through blackberry bushes and under and over fallen trees, we approached a small stand of maple trees.
Corky was working hard, air-scenting into the light breeze. After showing no interest at the first maple tree, Corky approached the second. Just as she passed the tree Corky snapped her head to the side and buried her nose in the leaves that covered the ground.
The next thing I knew Corky was pelting me with leaves and dirt from her digging. Her change of behavior was so dramatic it surprised me, but her behavior was consistent with her training as an active-alert drug dog. That is, Corky was trained to dig at a source of odor.
I quickly pulled Corky away for her own safety. I didn’t know if she had located drugs, the remains of a dead animal, or trash. I handed the leash to one of my partners and inspected the hole.
I should have trusted my dog! Approximately 18 inches (457 millimeters) underground I found a white plastic shopping bag. The bag contained more than half a kilo (more than a pound) of heroin.
My partners were amazed that Corky found the buried drugs and wanted to know how this was possible.
Several thoughts went through my mind. I suspected the dealer had recently disturbed the location. The soil was very loosely compacted, which would allow for odor molecules to readily work their way to the surface. The ground was covered with large maple leaves which worked like a blanket to trap the earth’s heat and the odor molecules of the buried heroin. As Corky rapidly walked she was kicking up the fallen leaves and exposing the trapped odor.
Corky’s find was the talk of the police department for days, and made me even more proud of my four-legged partner.
And now, science is beginning to understand the power of a dog’s nose.
Chapter 1.
UNDERSTANDING OLFACTION AND ODOR
The focus in training detection dog teams is usually the dog. In reality, it is just as important to train handlers to become efficient, effective partners of dogs. During my three decades working with and training detection dogs and their handlers, it’s apparent to me that people who want to excel at training and handling detection dogs must understand a dog’s sense of smell.
Why Dogs Have Noses
Authors Pearsall and Verbruggen in their book Scent: Training to Track, Search and Rescue identify the following functions performed by the dog olfactory system.
• Sense organ. The nose is responsible for the sense of smell in a dog.
• Airway. The nose is part of the dog’s respiratory (breathing) system.
• Air conditioner. Brings fresh air through and into the