If you're seeking information specifically with individuals, we will do that in a face-to-face.
If you have a rapport with the company, they know who you are, and they recognize your voice, it may be possible to do that by telephone.
Yes, I would expect the company would ask how they know it is us—i.e., how do I know you are police; can I call you back at the police station and receive you on the other end? There are always ways to be able to do it.
We as an organization and as a law enforcement community are the last line of defence for the privacy of individuals. We guard that information closely. It is never our intention to harm someone by going through that. But we appreciate your point.