"Many civil libertarians were hopeful that the Obama administration would be a lot more reasonable on certain issues, like warrantless wiretapping and surveillance of Americans. So far, that hasn't really been the case. The new administration has already sided with the old on the legality of warrantless wiretapping, and is now saying that it shouldn't need a warrant to demand location records from mobile phone providers. This certainly seems like the sort of private info that, under the 4th Amendment, would require a warrant, but not according to the administration(s). It feels that mobile phone providers should freely hand over records of what mobile phone tower any phone was connected to, even without the administration bothering to get a warrant (i.e., whenever and for whomever it wants to keep tabs on). This is tremendously problematic if you believe in the basic principles of the 4th Amendment."
White House Says Feds Should Have Unfettered Access To Mobile Phone Location Info | Techdirt