The Department of Homeland Security is using administrative subpoenas, a secretive tool issued without a judge's signature, to go after people lawfully reporting ICE activity or criticizing DHS policies.
This is a direct attack on our First Amendment rights and we're fighting back.

Homeland Security is trying to force tech companies to hand over data about Trump critics | TechCrunch
The use of administrative subpoenas, which are not subject to judicial oversight, are used to demand a wealth of information from tech companies, including the owners of anonymous online accounts documenting ICE operations.