(Dakota County, MN)  —  Two more people are facing charges after they allegedly murdered a man and dumped his body in Dakota County last spring.  Police say 34-year-old Arturo Morales-Ceras and his girlfriend, 30-year-old Tomasa Martinez have been charged with the death of 39-year-old Manuel Mandujano.  It’s unclear at this time what nature the two were involved in the murder of Mandujano.  Morales-Ceras is facing a murder charge, while Martinez has been charged with kidnapping.  They are both set to appear in court today.  News of the arrests come after Ivan Contreras-Sanchez was booked on a murder charge for the death of Mandujano.  Authorities say Contreras-Sanchez admitted to driving the vehicle used to move Mandujano’s body.