Sparks Police have arrested Nicole Dattke for the September 28th murder of Michael Krantz. Dattke was already in custody on other charges. She was additionally booked for Open Murder with a Deadly Weapon, Prohibited Person with a Firearm, and Child Abuse/Neglect. Krantz was found dead in a motel room on the 200 block of 22nd street. No further information is being released.