In your scenario, it would be wrong for a CIVILIAN to use force to restrain a person whom they did not see commit a crime. Why don't you people understand the differences between what civilians can do and what cops can do???
In your scenario, the person could absolutely pursue the suspect and tell the 911 operator the location of the suspect until police arrive. But any decent defense lawyer would have a field day if a civilian did not actually see the crime and used force to restrain a suspect.
What force did McMichael use to restrain him?
Stop inventing facts to create a narrative that suits your desires.
You stated as fact something proven wrong.
Oh do please show video you have where force was used.