I am helping a client whose site has numerous plugins and 35K spam images from Zillow. They are in the media library. He also has 100K spam comments. I have since then disabled the comments. He also had over 300 users with no roles.
I have removed all users except the one with admin privileges.
How can I go about removing all pictures not uploaded by the admin?
I obviously cannot manually go through everyone, but I do not see a filter option for Author type.