I'm still not sure who left first, the CL or SIL?
I think the CL left first.
IIRC, it was about 8pm? AH entered Bob's home with police for the well being check. If Bob was stashed in the home for a few hours, he would have had to have been removed prior to LE arriving for the well being check.
Personally, I think Bob was not in the home during the time the CL was cleaning. My theory is the SIL was returning from wherever he disposed of Bob and any materials that held evidence of what occured to Bob when he arrived at Bob's to unexpectedly find the cleaning lady.
I have no doubt JeM and JuM knew the CL's usual day was Tuesday from the years they lived in the home next door to Bob and Georgia on Carnation.
I think the plan was to let the cleaning lady find the home empty on Tuesday and they could have claimed the repairs were completed before the heated family meeting, making it appear Bob had cold feet and left of his own free will.
Thing is the CL's appearance a day earlier than her regular cleaning day threw a huge wrench into that plan/explanation...... and now we have unanswered questions which imo are given or ommitted deliberately to throw LE off.
Shame on me, but I often wonder if those responsible for Bob's disappearance kind of kick themselves for not planning ahead for Mrs. Harrod's tenacity in finding her husband, and perhaps wish they had waited until she returned to disappear both of them with the hopes it would appear they ran off together. It's an awful thought, but clearly none of Bob's CA family was prepared for his wifes tenacity to find answers into her husbands disappearance.