I wasn't sure which section to post this in.  This is just a couple of polygraph news stories

1. Jason DiPrima, a Georgia deputy police chief, was in town for polygraph seminar got caught and arrested in a prostitution sting.  I guess he wanted to interrogate others about breaking the law, while he thinks he gets a pass.   
https://www.wftv.com/news/local/polk-county/georgia-deputy-police-chief-arrested...

2. Robert Luth was arrested after admitting to viewing child pornography during a Pinellas County Sheriff's Office pre-employment polygraph, deputies said.  The investigation started on August 17, after he admitted he viewed child pornography at a pre-employment polygraph with the sheriff's office.  Cops got a search warrant and found child porn on his phone.  This would have never happened if he didn't open his mouth and confess.  NEVER MAKE ANY CONFESSIONS ON A POLYGRAPH!
https://www.fox13news.com/news/detectives-man-admits-to-viewing-child-pornograph...