This is the most recent link to the info - posted by iiiii's in May this year, though I know we have spoken of it before. The article is dated 16th Feb 2020.
I am not going to look back any further.
"William’s sister had also told detectives in her interview that she saw William running towards “daddy’s car” before he vanished.
Their foster father had a grey station wagon, just like Savage did, and the children had been waiting for him to return from an appointment on the morning of William’s....... "
Unfortunately, sister will probably make a poor witness. Any current changed recall - if there is any - will be questioned due to being 4 (or 5, depending what article you go by) years old at the time. While it is "only" 7½ years ago (to us), to her it is over half her lifetime ago. She may...
www.websleuths.com
The article goes on to say that a couple who lived on the street (this would have been the Crabbs imo) heard the sound of a car moving on a gravel driveway. The court heard that PS' driveway was gravel.
It also says that In the weeks before William disappeared, FGM had asked PS to “stay away from her house."
(ETA: This is all from testimony given under oath in court)