Apparently this has been done with some success by using a photocopier as the “lie detector”: https://newrepublic.com/article/38982/the-wire-ripped-real-life ht

Apparently this has been done with some success by using a photocopier as the “lie detector”: https://newrepublic.com/article/38982/the-wire-ripped-real-life https://newrepublic.com/article/38982/the-wire-ripped-real-l...