https://www.techdirt.com/articles/20180703/09014440164/dhs-subpoenas-twitter-new-zealand-security-researchers-info.shtml

Over the weekend, Zack Whittaker of ZDNet reported a New Zealand security researcher has somehow earned the unwanted attention of DHS and ICE.

Homeland Security has served Twitter with a subpoena, demanding the account information of a data breach finder, credited with finding several large caches of exposed and leaking data.