How do Infrared/Thermal/Night-Vision Cameras aid investigators at catching paranormal activity?

The human eye perceives only a small sliver of the electromagnetic spectrum. Cameras help paranormal investigators look beyond their own visual limitations. They can visualize temperature fluctuations (FLIR), heat signatures (IR) and night vision (NV).

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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.