Personally, I would classify the searching done by the T9 as both token and extremely odd.
Kate should have been out the front door of 5A in a flash and wasn't.
Gerry seems to have searched in the Tapas area, which begs the question as to why he might have thought an abducted child should be in the area the T9 had come from.
The crunchy bit is the Tanner sighting. Tanner supposedly told the police about this soon after they turned up, and that was when Gerry learned of it. Personally, I would have had the men-folk head in that direction as soon as the info surfaced. That search never happened.
And just to be crystal clear, this makes the T9 guilty of no more than very odd behaviour.
Some very excellent observations.
To be fair they all had the luxury that half the village were out all night searching and then we had the mother complaining whilst never searchng at all that night that on going out the next morning was horrified that no one was out searching. Well, people had to sleep. They continued the next day, some IIRC taking time off work/cancelling holidays to do so.