The case of the Saratoga Springs man charged in the murder of 25-year-old Brianna Craig last month at the Vanderbilt Terrace apartments will go before a grand jury next week. 31 year old Sebastian Mabb faces one count of second-degree murder in the Feb. 6 death of the young woman with whom he was once been in a relationship. According to the preliminary autopsy, her cause of death was asphyxiation.