Why on earth would it take three days to post an Amber Alert?? Does that not defeat the purpose of the Alert itself??
If BS disappeared on Friday after school, and nobody knew about it, and it was the weekend ...
And nobody found out BS was missing UNTIL Monday when LE went to her home for a "wellness check" (to see why her mom (TS) wasn't at work) and found TS's dead body -- and only then realized that BS was missing ...
No one (unless they had a time machine) could have posted an Amber Alert before Monday. It's just unfortunate that nobody noticed she was missing a little sooner.