Yes you absolutely can. That's the point of freedom of the press being part of the First Amendment. Laws that would prevent the press from fulfilling its constitutional role lose out to the first amendment.

Journalists are allowed to protect their sources, where the rest of us might be compelled in a court to testify.

It doesn't give them blanket immunity from all laws, but it does provide them certain protections. This is a clear case where the state is overreaching.

EDIT:

> EDIT: I don't want to reply to everyone, but if you could invoke the first amendment in the way you all are arguing then every murder would just need to say the murder was their performance art.

No. That is not remotely true. You're being ridiculous.