LOL. Neck rotation skills are a rare blessing indeed, but of course you need to know there's something worth rotating your neck for....
The BW sighting is really interesting because police checked with colleagues to see if she had her day and time correct, and she did. This was a bit of a hole in the boat, as Dean Martin might say, because if she were in the FPR at 2.45, that could not have been her car outside 123SR at 12.45 as WJ claimed. It seems to have been something of an article of faith to the police that this was her car. The sighting was explained away by assuming that BW had made a mistake and had seen SJL on a different day.
I quite like the theory MB espoused in the original investigation - that SJL went straight to 123SR and got in someone else's car there. The obvious problems are that whether she took the 37SR keys or not she didn't take the 123SR keys, nor was she expected there, nor can BW have seen her later. However, as literally all theories have similar obvious problems, this is not grounds to dismiss this possibility...
The car being dumped so early never made sense and there are witnesses who were around then and didn’t see the car. It’s highly likely ( IMO) WJ was seemly confused and saw a different car completely. She had her kids around her and was busy and simply got confused.
MOO