The warrant was illegal. Correction: EFF asserts that the warrant should not, in this form, have been issued. EFF's certainly entitled to its opinion, but EFF

The warrant was illegal. Correction: EFF asserts that the warrant should not, in this form, have been issued. EFF's certainly entitled to its opinion, but EFF is not the final arbiter, and is pushing an interpretation of shield laws which has a number of large drawbacks.