Just saw this article. Apparently Odsidian 4 App is for use with ATN scopes. The DoJ has asked Apple and Google for info on who has downloaded the app.
https://www.forbes.com/sites/thomas...-names-of-10000-users-of-a-gun-scope-app/amp/
https://www.forbes.com/sites/thomas...-names-of-10000-users-of-a-gun-scope-app/amp/
