AG Kathleen Kane heads to court on criminal charges Tuesday

Pennsylvania Attorney General Kathleen Kane is due in court for the latest hearing on charges linked to her alleged leak of grand jury material.

Kane is set for a preliminary hearing Tuesday afternoon in Montgomery County on perjury and obstruction charges.

Prosecutors say she signed a secrecy oath when she took office in 2013, but then leaked prior grand jury material to a newspaper and lied about it.

Kane denies wrongdoing.

She suggests she is under attack after exposing what she calls a network of prosecutors, judges and others exchanging pornographic emails.

An arrest affidavit says Kane told a grand jury last year that she was not sworn to secrecy for the 2009 grand jury.