Something has really bothered me as I've continued to try to come up with reasonable answers about this case. I started off in the beginning completely supporting DB, but as her story changed (via her own words) I fell harder with each change.
I now believe that baby Lisa was either found dead or died during the early evening, after JI went to work. I personally believe it was an accident of some kind, and by DB's hand.
I think that the entire night of sitting on the front stoop was so that as many people as possible would see her for hours on end, with a friend, and seeing her would provide her with an alibi. In looking at the difference between the front and back of the house, there is such an extreme contrast from front to back. What would be a logical reason that DB and SB would sit in the front vs the back. They have a nice deck that have chairs. Why sit on hard cement for hours on end.
Here is the difference between the front and back. What do you think?