Could be a slide, but one article this anon linked is about Rachel Chandler. The Childhandler. About 1/2 way down the page, is the same picture from her instag that Q had anons report to the FBI.
There's more of the picture posted in this article. Looks like CP.
https://www.ssense.com/en-us/editorial/fashion/navigating-real-ness-with-rachel-chandler