well, on some of those pictures you can see the wall studs behind the wall through the drywall. so in a way, yea you could see someone behind a wall if they are leaning on it.
Originally Posted by ThunderCactus
But you can see someone's hand print on a wall. Or, depending on the thickness and material of a wall, and the sensitivity of the thermal, you might be able to see someone leaning against it from the inside lol
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