I wasn't able to find any reviews.  Worth trying

And there's an awful lot of hits on those pics including quite a few from suspicious sites.

I was asked about using it so thought I'd provide a little info.  Follow the link below to see the different ways of using Google Image Search.  I personally prefer the last method of installing the extension in your browser.  It makes it very easy as all you have to do is right click on the picture and take the option to search for the image using Google.

It's not foolproof but I consider using it an essential part of researching someone new