We see him, over multiple scenes that take place over a series of weeks, attempt to penetrate her.
He spent the day cruising three parks, a funfair and a boating lake.
Mr Williams said that when he heard about Sarah's disappearance, he put Whiting 'at the top of my list'.
He would turn up and help children fix their bicycles.
He set up a 'home' in the rented workshop at Bonnets Lane Farm, Crawley, where he had a job repairing cars.
He had this ability to get so deeply personal and intimate that it leaves you soaked in a plethora of emotions.