Yes
https://www.theguardian.com/us-news/2022/apr/19/us-immigrati...
https://www.wsj.com/articles/federal-agencies-use-cellphone-...
https://www.theverge.com/2022/5/10/23065080/ice-surveillance...
2. Not for imprisonment (although deportation is an ugly business no matter the context).
3. Not working with companies, working with shady third-party data brokers that companies themselves would like to see shut down.
Yes
https://www.theguardian.com/us-news/2022/apr/19/us-immigrati...
https://www.wsj.com/articles/federal-agencies-use-cellphone-...
https://www.theverge.com/2022/5/10/23065080/ice-surveillance...