Here is my latest article on Ammoland about the Crawfordsville "buyback" turn-in. I do not own Ammoland, it is one of the places that publish my articles. I quoted your description of the event in the article.
https://www.ammoland.com/2018/04/indiana-gun-buyback-turns-down-magazines-private-buyers-buy-more-guns/
https://www.ammoland.com/2018/04/indiana-gun-buyback-turns-down-magazines-private-buyers-buy-more-guns/