There's a wonderful scene in The Wire where they give a young thug a "polygraph test" by interviewing him in front of a copy machine and hit the copy button whe

There's a wonderful scene in The Wire where they give a young thug a "polygraph test" by interviewing him in front of a copy machine and hit the copy button when he answers a question so that it spits out the message they preloaded into the machine "false." The thug looks crestfallen and tells them the truth.