I find it interesting that the first part of her email is very detailed, with explainations and placing someone else with Kyron. Then, the second half, is just half-baked short sentences...no real details.
To me, this says that she's more defensive about the later part of the day, because she's not sharing "details" If this second part followed the same pattern as the first, it would have sounded something like "Baby K was just screaming her head off. I spend 20 minutes on the side of the road trying to get her to calm down, but she was just so over-tired and her ears hurt. So I drove around [street names/general area] for about 30-40 minutes hoping she would take a nap. But that didn't work either, so I thought maybe she might be happier at the gym playroom...she likes it there. So I worked out for an hour, and then came home and finally got her down for a nap. I uploaded pictures from the SF, and showed them to KH when he got home around 2-2:15. Then, at 3:30, we got Baby K up from her much needed nap, and went to meet Kyron at the bus stop. That was my day."
I'm not sure if I see it as that strange. Kyron was marked absent at 10, so presumably whatever happened to him would have had to have happened before that. So, especially at that stage, the big question (from LE and others) would have been "where were you between the time you left the school and 10 am". Obviously she didn't snatch Kyron after she was back home on the computer/with Kaine, so there would have been less concentration on those times, and more on what she was doing before 10. I would imagine she was asked repeatedly "where did you go when you left the school".