To clarify why it’s aggressive: federal employees have a legal duty to secure classified information, but everyone else does not. Reporters are not federal employees and it’s not illegal for them to have or discuss classified materials. Most of what Snowden leaked was classified, and remains classified to this day , but you and I can read about it on Wikipedia. The government pursued Snowden because he was legally ob…
I looked at a lot of search warrant affidavits in a previous job and there's really nothing all that unusual about this aspect (doing it to a member of the press or doing it on a pretext are separate issues that I'm not commenting on). Police execute search warrants at other locations all the time because the relevant question is whether there is probable cause to believe that there is evidence of the commission of the crime they are investigating at that location, not whether the person who lives or works there is guilty of that particular crime. Given that fact, of course, it's all the more reason that judicial officers should subject search warrant affidavits to careful scrutiny because when they come to look through your stuff they will just turn your house or business upside down and they don't get paid to help you clean up afterwards.