The MeatEater Podcast Ep. 854: Dogs That Hunt Humans
Mar 30, 2026
Doug Roller, former LAPD K9 handler and chief trainer who now runs Tactical K9, shares stories from falconry to street work. He explains what apprehension dogs do and differences between air-scent and tracking dogs. Topics include fear scent, off-leash e-collar searching, bite mechanics, buying police or protection dogs, and the costs when dogs get hurt in the line of duty.
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What Apprehension Dogs Actually Do
- Apprehension dogs are a distinct class trained to find suspects and bite if necessary rather than just detect drugs or explosives.
- Doug Roller explains LAPD Metro focuses on air-scenting dogs that search perimeters and buildings, not just nose-to-ground trackers.
Use E‑Collars To Let Dogs Hunt Off Lead
- Train patrol dogs to work off-lead using an e-collar to maximize natural hunting instincts and give handlers remote communication.
- Roller teaches off-lead searching with collars so dogs can air-scent ahead 20–40 yards and offer reaction time.
Fear Scent Guides Seasoned Dogs
- Humans in fight-or-flight emit an intensified odor that seasoned apprehension dogs learn to detect.
- Roller links this 'fear scent' to adrenaline changes and says experienced dogs often cue strongly on that odor during searches.