And what about this?
The form that Chisholm filled out did not include a middle initial for the defendant. The Sheriff's Office form also had no areas with date of birth information, race, sex or Social Security number information to make it more specific.
It could have been any anyone with the same name. Whether in the 'system" or not. I think that is the point your missing.
No, it could only have been someone by the same name who was in the system.
There is no general police database with a file on every single citizen, law-abiding or not.