I did not, but only because in my case the monetary damage was not sufficient to pursue it. I would have liked to have seen those responsible be prosecuted for it, though.
If the monetary damage was high enough vis-a-vis the ability of the public system to deliver me restitution for my losses, I'd very quickly be hiring private detectives yes.
If the monetary damage was high enough vis-a-vis the ability of the public system to deliver me restitution for my losses, I'd very quickly be hiring private detectives yes.