State ex rel. Brill v. Spieker

Appellant states the first question involved as follows:

Can the state upon a preliminary hearing be compelled to produce an exhibit previously offered in evidence on a John Doe hearing, to show the innocence of the defendant ?

It is conceded that:

“Where a person is detained pursuant to the order of the court made upon a preliminary examination, the only question raised by a writ of habeas corpus is, ‘Was there any evidence for the magistrate to act upon and whether the complaint charged any offense known to the law?’ When it is discovered that there is competent evidence upon which the…