Very Hot Topic (More than 25 Replies) Gary Leon Ridgway, Deadliest Serial Killer in U.S. History, Passed Polygraph and Killed Again (Read 159753 times)
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Re: Deadliest Killer in U.S. History Passed Polygr
Reply #15 - Jan 9th, 2007 at 11:13pm
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ecchasta wrote on Jan 9th, 2007 at 11:10pm:


Perhaps there should be follow-up polygraph tests done on all policemen, polygraphers and testifiers in criminal cases!


Yeah, why not? Let's just test 'em all.   Cheesy

Ecchasta, see my remarks in that other thread. There are some thing we really don't know that make jumping to conclusions absurd.
  
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Re: Deadliest Killer in U.S. History Passed Polygr
Reply #16 - Jan 10th, 2007 at 12:59am
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LieBabyCryBaby wrote on Jan 9th, 2007 at 11:13pm:
There are some thing we really don't know that make jumping to conclusions absurd.

However, we do know the consensus view of scientists is that polygraph "testing" has no scientific basis.  https://antipolygraph.org/articles/article-018.shtml ; Dr. Furedy eloquently compares reading polygraph charts to entrails reading. Based on this irrefutable knowledge, anybody who would make decide that anyone is or is not a suspect in a criminal case based on a polygraph session is irresponsible.  I wonder if Sheriff Reichert ever apologized to Mr. Foster, or to the families of Gary Ridgeway's victims who were killed after Ridgeway "passed" a polygraph "test" and was released?

Regrettably, this is a predictable result of reliance on the pseudo-science of polygraphy.


  
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Re: Deadliest Killer in U.S. History Passed Polygr
Reply #17 - Jan 10th, 2007 at 8:57pm
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meangino wrote on Jan 10th, 2007 at 12:59am:

However, we do know the consensus view of scientists is that polygraph "testing" has no scientific basis.  https://antipolygraph.org/articles/article-018.shtml  Dr. Furedy eloquently compares reading polygraph charts to entrails reading. Based on this irrefutable knowledge, anybody who would make decide that anyone is or is not a suspect in a criminal case based on a polygraph session is irresponsible.  I wonder if Sheriff Reichert ever apologized to Mr. Foster, or to the families of Gary Ridgeway's victims who were killed after Ridgeway "passed" a polygraph "test" and was released?

Regrettably, this is a predictable result of reliance on the pseudo-science of polygraphy.




Meangino,

Sometimes I wonder whether your responses are even directed at me, or if they are just one more opportunity to play the tired anti-polygraphite recording once more for the average reader. Your words are nothing different from the tired rhetoric I can find thousands of times on this website from people more knowledgable than you, although they, like you, have no actual experience conducting polygraph exams.

Have you read the prosecutor's summary of the evidence found in one of George's links above? If you read it with an open mind you might begin to understand how even IF the polygraph is as valid and reliable as we pro-polygraphites claim, Ridgway is the kind of totally callous psychopath who I believe can beat the polygraph. Right now I'd rather not go into great detail about why this is so, since I think it will become clear as you read the summary.
  
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Re: Deadliest Killer in U.S. History Passed Polygr
Reply #18 - Jan 10th, 2007 at 9:10pm
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LieBabyCryBaby wrote on Jan 10th, 2007 at 8:57pm:

Have you read the prosecutor's summary of the evidence found in one of George's links above? If you read it with an open mind you might begin to understand how even IF the polygraph is as valid and reliable as we pro-polygraphites claim, Ridgway is the kind of totally callous psychopath who I believe can beat the polygraph. Right now I'd rather not go into great detail about why this is so, since I think it will become clear as you read the summary.

LBCB, I have read all of the data in the links Mr.  Maschke provided in this thread.  In addition, I have seen at least 2 detailed television documentaries on the Ridgway case.  While there is no doubt Ridgway is a psychopath, where is the scientific documentation that says it takes one "to beat the polygraph" (your words in quotations, not mine).  On the contrary, scientific evidence elsewhere on this website overwhelmingly proves one does not need to be a psychopath "to beat the polygraph."

The evidence is plain and simple--King county authorities released Ridgway because he "passed" a polygraph "test." Moreover, based on the pseudo-science of polygraphy the same authorities wasted countless resources investigating an innocent person, Melvin Foster.  

The fact that Sheriff Reichert and other King county authorities won't even offer the simplest apology to Mr. Foster speaks volumes to their shame for having allowed Ridgway to kill again, all because polygraphy.

I say again, regrettably this is a predictable result of reliance on the pseudo-science of polygraphy.
  
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Re: Deadliest Killer in U.S. History Passed Polygr
Reply #19 - Jan 10th, 2007 at 10:15pm
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So let me get this straight... polygraphers and police know that psychopathic people can "beat" the polygraph.  So why bother using a polygraph test to find a psychopathic killer.

It follows that those who "fail" the test in cases involving psychopaths should be let go and those who "pass" it should be arrested.
  
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Re: Deadliest Killer in U.S. History Passed Polygr
Reply #20 - Jan 10th, 2007 at 10:32pm
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ecchasta wrote on Jan 10th, 2007 at 10:15pm:
So let me get this straight... polygraphers and police know that psychopathic people can "beat" the polygraph.  So why bother using a polygraph test to find a psychopathic killer.

It follows that those who "fail" the test in cases involving psychopaths should be let go and those who "pass" it should be arrested.


You may not get many pro-polygraphites to admit that a psychopathic killer can "beat the polygraph," but in the Ridgway case I believe that may well be what happened. To say that might be at best pure speculation and at worst jumping to a conclusion, which I did not want to do. However, I believe that, like severely retarded people, a psychopathic killer who no longer feels any guilt or remorse or shame, or maybe anything at all with regard to his actions could indeed beat the polygraph. 

I don't have personal knowledge of the Ridgway and Foster polygraphs. I've seen no transcripts. I have given you my speculation on Ridgway. As far as Foster, I don't know whether or not he ever committed a murder or why he may have had information about the killings that led police to suspect him. I just don't have enough inside information.

Throughout my polygraph experience, many times I have seen investigators who want the polygraph to "prove" the case for them. Some people DO in fact believe so strongly in the polygraph's infallibility that, if a person passes the polygraph they are judged without question to be truthful, and when a person fails a polygraph they are judged without question to be deceptive. And when those people of unshakeable faith in the polygraph's power are involved in an investigation such as the Ridgway case, they may in fact cease to objectively view the evidence, and instead head down the wrong path based on the "easy" method of letting the machine take the place of good detective work.

« Last Edit: Jan 10th, 2007 at 10:48pm by LieBabyCryBaby »  
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Re: Deadliest Killer in U.S. History Passed Polygr
Reply #21 - Jan 24th, 2007 at 10:58am
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LBCB, if there is even a chance that the polygraph could falsely brand a truthful person deceptive, why should we agree that it have any place at all in a criminal investigation?  You said it yourself.  There should never be that much faith placed in it.  If you have any doubt in this machine, you have no business spreading your propeganda about it's greatness!  I can telling you from personal experience that the machine is a fraud!  PERIOD!
  
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Re: Gary Leon Ridgway, Deadliest Serial Killer in U.S. History, Passed Polygraph and Killed Again
Reply #22 - Jan 6th, 2012 at 9:29pm
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You are all idiots, plants are the only lie detectors, as they can read human thoughts
  
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Gary Leon Ridway's Polygraph Charts
Reply #23 - May 7th, 2020 at 7:37am
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On this day in 1984, polygraph operator Norm Matzke of the King County, Washington Sheriff's Office polygraphed Gary Leon Ridgway, a suspect in the Green River serial killings investigation. Today, AntiPolygraph.org has published Ridgway's polygraph charts, which had not previously been publicly available. Comments welcome:

https://antipolygraph.org/blog/2020/05/07/green-river-killer-gary-leon-ridgways-...
  

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Re: Gary Leon Ridgway, Deadliest Serial Killer in U.S. History, Passed Polygraph and Killed Again
Reply #24 - May 7th, 2020 at 6:43pm
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Ridgway is dyslexic which is often coupled with Attention Deficit Disorder and/or Auditory Processing Disorder. Perhaps this could explain the suppressed EDA.
  
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Re: Gary Leon Ridgway, Deadliest Serial Killer in U.S. History, Passed Polygraph and Killed Again
Reply #25 - May 8th, 2020 at 2:07am
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Question Number 5, which is being used as a CQ:

Before you were 30 years old, did you ever physically injure anyone without provocation? NO

Problem is, he stabbed a six year old child when he was 16. Ridgway had led the boy into the woods and then stabbed him through the ribs into his liver. 

He predictably reacted to this question. However, since it was used as a CQ, it helped helped him to pass.
  
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Re: Gary Leon Ridgway, Deadliest Serial Killer in U.S. History, Passed Polygraph and Killed Again
Reply #26 - May 8th, 2020 at 3:09am
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Thank you for the charts.  What an EFU!  Even with data collection problems clearly DI.   
  

No good social purpose can be served by inventing ways of beating the lie detector or deceiving polygraphers.   David Thoreson Lykken
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Gary Leon Ridgway, Deadliest Serial Killer in U.S. History, Passed Polygraph and Killed Again

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