I'm sure most Sheriffs would arrest her immediately, her supervisor would be called in and confiscate her phone and delete all illegal pics and information she obtained and she would be fired, never to work in LE again.
A spokesman for the ATF would then make a public apology and statement, assuring the public all of the illegal information obtained was deleted as it is not the job of the ATF to infringe in any way on the rights of American citizens.
/Extreme sarcasm