Idaho Code § 9-714: Media Source Confidentiality.

No person engaged in journalistic activities shall be compelled to disclose in any legal proceeding, trial before any court, or before any jury the source of any information procured or obtained and published in a newspaper, print publication, digital news outlet, or by a radio or television broadcasting station with which the person is engaged or employed or with which the person is connected. No such person shall be compelled to disclose unpublished information, notes, or communications obtained or created through the course of newsgathering activities, except as required by law in cases involving national security or imminent physical harm.