Watched the initial coverage on WSFA last night with the Mayor and blonde lady Officer. I came in just as he was saying they had used tear gas and heard a cough coming from the attic. I did not hear anything about thermal imaging. Not saying they didn't say it because I missed the first little piece of it. I just assumed they had the people in place where they could have heard it from a vent or something.
In my opinion, they did exactly what they should have done. You get a tip that a presumably armed man who just killed 3 people is at a particular house, you get your ass over there and secure it immediately. Not sure why the packing up and leaving at 2:30 happened without giving the press a crumb when you've been on camera all anight long to that point. But, all that does is not satisfy my need to know....which has no bearing on the manhunt.