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They’re junk pseudoscience as stated in introductory textbooks on psychology & by the National Academy of Sciences & American Psychological Association. Law enforcement keeps them not for their scientific validity, but as an interrogation tactic for people who don’t know better.

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al_Kaholic@lemmynsfw.com ⁨1⁩ ⁨week⁩ ago
Huh another reason police suck throw it onto the pile.

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- lmmarsano@lemmynsfw.com ⁨1⁩ ⁨week⁩ ago
  Police ethical standards are practically nonexistent in the US. Deception of juveniles & the intellectually disabled is permitted in most states to obtain court-admissible confessions, and police are trained to obtain confessions that way.
  
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- spankmonkey@lemmy.world ⁨1⁩ ⁨week⁩ ago
  It can go in with K-9 units ‘smelling something’ and all the other made up bullshit that they use to violate people’s rights.
  
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  - bassomitron@lemmy.world ⁨1⁩ ⁨week⁩ ago
    Just to clarify, properly trained and handled drug and bomb sniffing dogs do actually have quite a high accuracy rate. However, in the hands of shitty police officers… sigh.
    
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    spankmonkey@lemmy.world ⁨1⁩ ⁨week⁩ ago
    Yes dog noses are excellent and they can smell things. They are also great for finding survivors in disasters!
    
    K-9 units don’t operate on whether the dog smells something, they just follow the signals from their handlers. That is what makes them bullshit.
    
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