A 19-year-old who police say went on a robbery spree on Christmas night has been linked to the deadly shooting of 30-year-old Ebony Sheppard. Austin police along with the Lone Star Fugitive Task Force arrested Xavier Lewis on Thursday, Dec. 28, two days after Sheppard was shot and killed in the parking lot of the Sixty 600 Apartments at 6600 Ed Bluestein Blvd. around 11:44 p.m. According to an arrest affidavit, Lewis was involved in two aggravated robberies on Dec. 25. All of the robberies happened within a short distance away from the Sixty 600 Apartments.