Polygraph machines remain in use despite being widely discredited, and there are much better alternatives for seeking the truth
Source:
https://www.newscientist.com/article/mg24232314-700-the-truth-about-lie-detectors-they-dont-work-and-never-have/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home