From the time she was murdered until the alarm was raised was , 8am to around 12.30pm - 1.00pm.... he has to tidy up, he has to get out and back, and he has no way of knowing how long he has, he doesn't know if she is on her outward bound track or her homeward track back on her run, he doesn't know where she lives. He didn't use the Western Highway, because that has CCTV all along it, and some of those ring roads around Ballarat do, too... he has to know what he's doing, he can't dart hither and yon, he has to have a definite destination in mind, perhaps. As soon as that alarm goes, he has to look calm and ordinary, just goin about his Sunday chores, whatever they were, he possibly had obligations and arrangements of his own to attend, ...