person is dangerous; the dog may simply be responding to unusual behavior.
Previous experiences matter too. A dog may develop negative associations with certain clothing, smells, voices, or types of people. On the other hand, dogs can form positive associations with people who consistently treat them gently and respect their boundaries.
Research suggests dogs can pay attention to human social interactions and recognize helpful or unhelpful behavior. However, this doesn’t mean they can identify liars, criminals, or morally bad people. Dogs can trust someone who isn’t trustworthy and fear someone who is completely harmless.
If your dog dislikes someone, **pay attention without jumping to conclusions**. Give your dog space, watch its body language, and consider possible triggers. Barking, hiding, growling, or stiff posture usually means the dog is uncomfortable and needs distance.
Ultimately, dogs are **excellent observers, but they aren’t moral judges**. Your dog may notice something you missed—or it
