I wonder what time is “the middle of the night”. I’d say about 3am or so, but my idea may differ from the witness.
If it was Barry, why in the world would he use loud machinery in the middle of the night? That seems like a terrible idea. IMO
BBM:
I have some thoughts about that.
IF SM never went for a bike ride on Mother's Day, and the entire bike ride scene was staged, then we're looking at a case of foul play, and whatever happened to her likely happened before Sunday morning.
IF BM is responsible for SM's disappearance, he would have found himself needing to cover up/conceal/dispose of all the evidence after the crime, which would have likely taken a considerable amount of time.
That may potentially have thrown his work schedule off significantly.
We have no way of knowing, obviously, but BM may have been scheduled to work on that property site on either Friday or Saturday.
If he was, then perhaps he went to that work site late at night or in the very early morning hours to get the work done, because he was concerned that it would look suspicious if had not followed through on a job that was scheduled to be completed right around the same timeframe that SM went missing.
The fact that nothing tying that property to SM was found during LE's search doesn't mean that the loud noises heard there that night are completely unrelated to her disappearance.
I do think BM was there in the wee hours.
I don't think he was burying SM there, though.
If BM disappeared SM, I think she's nowhere near any place that can be tied directly to him.
Not even Frazee was dumb enough to do that.
I think he was there that night, though, furiously trying to make up for lost time.
JMO.