Final answer:
The observation category of probable cause refers to the information an officer obtains through their senses and gives them reason to believe a crime has been, is being, or will be committed.
Step-by-step explanation:
The observation category of probable cause in law refers to the information an officer obtains through their senses. This can include what the officer sees, hears, smells, or feels during their investigation. It is the evidence that gives the officer reason to believe that a crime has been, is being, or will be committed.
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