In practice, if you request assistance from the owner of a conventional security camera, you will run into one or more of the following issues:

a) Discover the camera was a dummy;

b) It was out of service at the time of the incident;

c) The camera is a live stream only and does not record footage;

c) The owner is unwilling to pore over hours of footage to help you;

d) They find an image but the quality is insufficient to identify a person or a vehicle;

e) They find a satisfactory image but are unable to share it with you for data protection reasons.