Updated theory (all imo)
Speculation:
A fight happened over the weekend that injured MD. No school Monday due to possibility of abuse discovery. Tuesday, DV had work and BB had her trip out of town, so MD was supposed to go to daycare but on the way there, DV realized that she was too obviously injured and brought her home, frustrated. He and BB fight over who will sacrifice his/her plan for the day and watch her, and in this fight she is further injured. They put her to bed and each goes on with the day’s plan. Then BB calls DV or texts or something and says come home, she’s dying/dead. He comes home and she leaves town.
I still have questions about this, too, however. I’d like to know when the plane ticket was purchased, for ex...
I take comfort in thinking about LE having all of their cell phone data ... hopefully they will figure out the truth in this mess of lying liar lies...