https://www.theregister.co.uk/2018/05/07/zombie_cambridge_analytica_told_death_cant_save_it_from_the_law/

The UK Information Commissioner's Office has told Cambridge Analytica's parent company SCL Elections to comply with an academic's data request, or else.

US-based boffin Professor David Carroll (of the Parsons School of Design in New York) had filed a subject access request (SAR) in the UK, because American law didn't give him any way to get Cambridge Analytica's owner to disgorge the information it holds about him.