Civil liberties advocates are suing the U.S. Government.

Civil liberties advocates are suing the U.S. Government.
They’re alleging law enforcement agencies are maneuvering to crackdown on anticipated protests over the Keystone XL Pipeline.
The ACLU is suing departments of Defense, Homeland Security, Interior and Justice.
They wan all records pertaining to cooperation between federal, state and local law enforcement and private security companies.
The suit cites prior efforts by law enforcement to disband Native Americans and other protesters opposed to a separate project, the Dakota Access Pipeline.