The 'body' of Betty Rosen can be clearly seen breathing when she is lying on the autopsy table.
In the direct sunlight and heat of South Florida, shooting a FLIR on the dark upholstery of a car would be useless to determine if or when a person sat in a particular car seat before leaving, as the sunlight would quickly heat up the inside of a car well above any residual heat a person would leave.
The lab guy walks in behind Horatio who is playing with stuff in the lab. Horatio didn't look up from what he was working on so he couldn't see the man behind him. But Horatio said that the lab guy had the same clothes on that he was wearing yesterday.
When Horatio and Speed enter the home in hazmat suits you clearly see Horatio's tape came undone, uncovering his right wrist when he holds up the flashlight. A lot of good to be wearing a Hazmat Suit if your skin is exposed and an you have an open pathway of toxins that could enter your suit because you aren't entirely sealed off. As Horatio moves to the hallway his right wrist is now totally taped up.