I would love to see proper training, but it seems that much of the training is on pseudoscientific nonsense. See https://theintercept.com/2020/08/12/blueleaks-l

I would love to see proper training, but it seems that much of the training is on pseudoscientific nonsense. See https://theintercept.com/2020/08/12/blueleaks-law-enforcement-police-lie-detection/ https://theintercept.com/2020/08/12/blueleaks-law-enforcemen... for some examples.