A mother and son are in custody in Wyoming in connection to the death of a man in Oklahoma. The OSBI says 47-year-old Debbie Senft and 26-year-old Zachary Mussett are accused of murdering 56-year-old Michael "Andy" McGuffee. McGuffee, who officials say was Senft's half-brother, was found stabbed to death on October 15th at his home in Blanchard. The suspects are awaiting extradition to Oklahoma.