I’m feeling like either:
1. kids were coached to say the 19th (perhaps LE would suspect this)
2. Kids actually did see them last on the 19th, and if that’s the case, I think something terrible happened that day, APs ushered the 4 of them out “shopping” and grandmas, and then returned home to deal with what they needed to deal with.
I can’t fathom why one of the APs wouldn’t have stayed home, so option 3 would be that they were intentionally left home alone, met their demise, and APs had to cover it up.
I originally thought o and o never lived in Cal city, but we don’t have any knowledge of what the police found in the home (toothbrushes etc)
moo