This is the timeline I've compiled using the FB discussion and other facts.
November 13, 2009 Attended a wedding reception in Woods Cross. Saw and spoke to MR
November 30, 2009 Steven went to see the St George temple lights for a family home evening activity.
December 5, 2009 - Helps Paul Doxey move equipment and set up for a "gig" for his band.
December 6, 2009 Steven talked with SS at church. He set up an appointment to home teach her on December 13 at 7PM.
December 7, 2009 Steven sat by SS at a Christmas dinner. Steven asked her to display his window washing flyers at her work.
December 8, 2009 Steven went to Ruby Valley, Nevada to visit Annemarie and her family. He mentioned he might be going to Sacramento.
December 9, 2009 - Does not respond to FB post from TU requesting address.
December 10, 2009 Stopped for gas at a Flying J in Springville, Utah
Does not respond to text message from TU.
December 11, 2009 - In St. George Utah. Helps a family get into their home around 3 pm.
December 12 , 2009 Stopped for gas and snacks at Shell Oil in Mesquite, Nevada
December 12, 2009 JS saw Steven leave his apartment in St George at 10:30 pm?
December 13, 2009 11AM Paul Doxey called Steven from a PEC meeting to ask if he could attend a meeting that night. Steven replied that he was in Las Vegas, but could get back to St George for the meeting.
December 13, 2009 11:56 AM Steven drives by the camera
December 13, 2009 12 PM Steven walks back by the camera
December 13, 2009 Afternoon Steven spoke to GW and told him he was in Las Vegas (Im trying to get the exact time)
December 14, 2009 St George police report that Stevens phone dialed his voice mail box.
December 15, 2009 Parking authority in Sun City called Stevens cell and left a message about his car.
December 16, 2009 Parking authority leaves Stevens mother, Deanne, a message about abandoned car.
December 17, 2009 Deanne retrieves message.