I've heard anecdotes about this for a while. Here are a few: https://www.vice.com/en/article/nepxbz/i-gave-a-bounty-hunter-300-dollars-located-phone-microbilt-

I've heard anecdotes about this for a while. Here are a few: https://www.vice.com/en/article/nepxbz/i-gave-a-bounty-hunter-300-dollars-located-phone-microbilt-zumigo-tmobile https://www.vice.com/en/article/nepxbz/i-gave-a-bounty-hunte... https://arstechnica.com/tech-policy/2019/01/t-mobile-sprint-and-att-still-selling-your-location-data-report-says/ https://arstechnica.com/tech-policy/2019/01/t-mobile-sprint-... https://www.theverge.com/2019/2/6/18214667/att-t-mobile-sprint-location-tracking-data-bounty-hunters https://www.theverge.com/2019/2/6/18214667/att-t-mobile-spri...