Steps to find fake pics.

1. Download the pics u want to test from the profile. Betr download it rather than copying.

2. Go to google images from a higher version mobile or from a pc.

3. Inside the search section of google images u will find a camera like structure at the right corner. Clik on that.

4 it shows 2 option paste the url r upload an image.. Now clik on the upload the image n upload the image u wana test. This is called searching image by an image

5. If its a genuine pic r its from a fb it wont shw u any relevant same pics. Else it shows many pics same as that so that u can easily find whose pic is that.