https://en.wikipedia.org/wiki/SEXINT
https://en.wikipedia.org/wiki/Sexpionage
https://en.wikipedia.org/wiki/John_Vassall
https://www.news.com.au/lifestyle/real-life/news-life/how-no...
https://www.eff.org/deeplinks/2013/11/nsa-tracking-online-po...
https://www.aclu.org/news/national-security/echoing-dirty-pa...
https://www.theguardian.com/world/2013/nov/27/nsa-files-live...
It's such a successful strategy, even Bitcoin scammers use it:
https://www.kaspersky.com/blog/extortion-spam/25070/
https://edition.cnn.com/2020/03/27/asia/south-korea-telegram...