The Wikipedia article for "reporter's privilege" [0] has an overview of the various laws (statutory and case laws) regarding it. At the national level, the Supr

The Wikipedia article for "reporter's privilege" [0] has an overview of the various laws (statutory and case laws) regarding it. At the national level, the Supreme Court has only ruled on it once, in Branzburg v Hayes [1] which ruled that journalists can be compelled to testify to a grand jury. 0: https://en.wikipedia.org/wiki/Reporter%27s_privilege https://en.wikipedia.org/wiki/Reporter%27s_privilege 1: https://en.wikipedia.org/wiki/Branzburg_v._Hayes https://en.wikipedia.org/wiki/Branzburg_v._Hayes