From CBNNews:

http://www1.cbn.com/cbnnews/us/2024/march/smithsonian-to-pay-50k-for-booting-pro-life-students-from-museum-absolutely-outrageous

They agreed to “reiterate to all security officers stationed at all Smithsonian museums open to the public and the National Zoological Park, that Smithsonian policy does not prohibit visitors from wearing hats or other types of clothing with messages, including religious and political speech.”