I posted something several days ago in BeanE's "How to..." thread, and for me it's still relevant to this topic. The theory that TH took Kyron to school and then had him meet her later outside has a lot of holes in it for me. Here's a modified version of the thoughts I posted on that thread:
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It's basically a "now you see me/now you don't plan."
What if I wanted to take a child to a school where I plan to later abduct him and also remove suspicion from myself?
It seems that Id need to accomplish 3 things in order to remove any suspicion of my involvement:
1. Ensure that I had plenty of witnesses who saw us both at the school prior to the start of class at 8:45.
2. Ensure that I had at least one witness see me leave the school without my child prior to 8:45.
3. Ensure that witnesses saw my child in the school AFTER I left so that I would not be accused of being the last person to see him.
So, Im basically in the witness manipulation business to pull this off. How could I use the people at the expo to supply my alibi?
Ive been thinking about the photos that TH took at the expo. More to the point, Ive been thinking about the photos that werent taken (to my knowledge).
When I look at the photos TH took at the expo, they just dont look like photos taken for the purpose of establishing an alibi. They look like photos someone would take to simply document an event in the life of a child whom they loved. If I was about to commit a crime and knew that the whereabouts of both me and my child were going to be examined, Id make sure I had witnesses out the vuvuzela.
Id take pictures that prominently feature other kids/parents/teachers in the background, especially adults. (Not pictures with people obscured in the background.) Id hand my camera to a parent that I knew and ask her/him to take a picture of me with my child in front of the exhibit. Id ask to see their childs exhibit and take photos of them with their children in front of their exhibits. Id also speak to people who knew me and strike up conversations that they would easily remember later if asked.
Id also make a point of being seen leaving the school building alone. I wouldnt risk leaving with my child, but would instruct my child to meet me outside later on. Id linger near the most popular exit until a parent I knew was also leaving, and Id strike up a conversation with that person on the way out so that they would also easily remember me leaving.
My overall point is, I dont see the apparent lack of witnesses as an indication that TH was involved in Kyron's disappearance. I actually see the lack of photographs and witnesses as reason not to suspect TH. She would have had the opportunity to use the people around her to her advantage to establish her alibi and it doesnt appear that she did that, IMO.