The USPS is running a 'covert' program to monitor Americans' social media posts
Crossing the streams, the USPIS are a Cellebrite customer:<p><a href="https://www.uspis.gov/wp-content/uploads/2020/02/FY-2019-annual-report-508-web.pdf" rel="nofollow">https://www.uspis.gov/wp-content/uploads/2020/02/FY-2019-ann...</a> (p. 35)