The following is the best analysis by far that I've seen about the All Writs Act and its application in these cases. It's from the Just Security blog, out of N

The following is the best analysis by far that I've seen about the All Writs Act and its application in these cases. It's from the Just Security blog, out of NYU Law School: https://www.justsecurity.org/29634/readers-guide-magistrate-judge-writs-act-cases/ https://www.justsecurity.org/29634/readers-guide-magistrate-... (I'd read the links to the articles in the blog itself.)