He could have been searching the floor for something dropped that would incriminate him, moving the seat to do so. I don't really think it's possible to exclude this. The car does look like it was stopped or abandoned rather than parked, but the seat position could have been changed for a different purpose.
I knew what you meant
Well, the thing is, they did. DC Andrew Laptew visited him in 1979, noted the resemblance and recommended he be brought in; his boss told him if he said 'photofit' one more time, he'd be on traffic duty (I always picture the 'Say "What?" again' scene from
Pulp Fiction here). Sutcliffe's mate Trevor Birdsall also dobbed him in, in November 1980.
There was a complicating factor, which was that after September 1979 and the hoax tapes, the police didn't bother with anyone unless he had a Wearside accent. A woman who reported being followed by a man who looked like Sutcliffe and had a Bradford accent was told by the desk sergeant that the Ripper was a Geordie. And so on.
I think that's more or less what did happen. If she failed to keep that appointment it would mean she was not free and at liberty. He probably just mis-spoke.
What's frustratingly absent is the detail of whether and how he got into 37SR. The police said nobody had been inside that day. If MG had then you wonder why the police said otherwise.
He went next door to Crocodile Tears but nobody seems sure when. If he was still there when she left then she would have had to pass his desk to get the keys.
Presumably somewhere nearby. If I were abducting someone and wanted to hide the car I reckon I'd steal or have made the plates of an innocent white Fiesta and fit those. There's no sign of anyone having done this though.
I very much doubt that. One, it was on with a different office and two, she's got a conflict of interest. She could, for example, fail to show other properties to potential buyers so as to direct them towards her own. I would think policy would be that she can't hawk her own property.