Well, she's not just complaining about inter-branch stuff.
> And she said that the CIA appears to have violated the Fourth Amendment, which bars unreasonable searches and seizures, as well as various federal laws and a presidential executive order that prevents the agency from conducting domestic searches and surveillance.
OP's point was the Feinstein has been defending the NSA's programs, and has, until now, seen no problem whatsoever with the government spying on its citizens.
Possibly because she felt that there was some level of oversight. If she believes that the CIA are intimidating the people meant to be providing that oversight you can see how that might change someone's view of such things.
> And she said that the CIA appears to have violated the Fourth Amendment, which bars unreasonable searches and seizures, as well as various federal laws and a presidential executive order that prevents the agency from conducting domestic searches and surveillance.