Author Topic: Are Victim Detection and Forensic Evidence Search Dogs reliable?  (Read 375675 times)

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Cariad

  • Guest
Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #135 on: March 27, 2014, 05:06:21 PM »
you are now making things up which shows the weakness of your argument....you make a connection between the alerts and SYs statement....SY haven't made this connection

Can you give us a plausable reason why SY would state that abduction "doesn't follow all our thinking in this case" and she may not have been alive when she left the apartment then please?

Offline jassi

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #136 on: March 27, 2014, 05:07:15 PM »
you are now making things up which shows the weakness of your argument....you make a connection between the alerts and SYs statement....SY haven't made this connection

Not that they've, anyway.  Who knows what they think.
I believe everything. And l believe nothing.
I suspect everyone. And l suspect no one.
I gather the facts, examine the clues... and before   you know it, the case is solved!"

Or maybe not -

OG have been pushed out by the Germans who have reserved all the deck chairs for the foreseeable future

Cariad

  • Guest
Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #137 on: March 27, 2014, 05:11:11 PM »
Are you sure about that?


As it is I should hope not after 2 years looking into the matter of cadvaver odour.

That is quite an extensive study you have made. I'm sure you will be able to bring a lot of knowledge to this subject.

Offline gilet

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #138 on: March 27, 2014, 05:11:28 PM »
Again,  why are you insisting that the cadaver dog alert does not  'prove'  there was a dead body in apartment 5A as if the point is being argued  ?     ...  no-one has suggested  that the dog alert provides  'proof'  of a dead being in apartment 5A

It is 'suggestive'  of it though

Suggestive enough for Scotland Yard to think Madeleine may have died there

Total non-sequitur.

There is no evidence that I have seen (or, I believe, that you have seen) which indicates that the SY statement is based either entirely or even partially on the dog alerts. It is simply a normal statement when a person has been missing for such a long period. They may be alive or dead.

They will be taking them into account of course.

But you seem to be forgetting that a rather important (in relation to this case) libel trial is being conducted in Portugal where one of the crucial points at issue is the level of proof which the dog alerts provide. Amaral for some unknown reason appears to believe as Serendipity claimed yesterday that an alert by Eddie which is not confirmed by the blood dog, Keela, "= cadaver scent". That statement ignores the fact that Martin Grime and Scotland Yard have never claimed any such thing and demonstrates that people do believe that the one proves the other to be true.




Offline jassi

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #139 on: March 27, 2014, 05:14:24 PM »
Total non-sequitur.

There is no evidence that I have seen (or, I believe, that you have seen) which indicates that the SY statement is based either entirely or even partially on the dog alerts. It is simply a normal statement when a person has been missing for such a long period. They may be alive or dead.

They will be taking them into account of course.

But you seem to be forgetting that a rather important (in relation to this case) libel trial is being conducted in Portugal where one of the crucial points at issue is the level of proof which the dog alerts provide. Amaral for some unknown reason appears to believe as Serendipity claimed yesterday that an alert by Eddie which is not confirmed by the blood dog, Keela, "= cadaver scent". That statement ignores the fact that Martin Grime and Scotland Yard have never claimed any such thing and demonstrates that people do believe that the one proves the other to be true.

No, its slightly more than that.
Redwood specifically mentioned the possibility of death before leaving the apartment. He need not have done this merely to suggest that she may be dead or alive.
I believe everything. And l believe nothing.
I suspect everyone. And l suspect no one.
I gather the facts, examine the clues... and before   you know it, the case is solved!"

Or maybe not -

OG have been pushed out by the Germans who have reserved all the deck chairs for the foreseeable future

Offline gilet

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #140 on: March 27, 2014, 05:15:32 PM »
If there are sites in which people are claiming that a cadaver dog signal is indicative of Madeleine Mccanns death in 5A, wouldn't you be better off making your points there?

We don't require it here.

Serendipity (the person held up as having inside knowledge on the matter) only yesterday made the claim on this forum that the absence of an alert by Keela indicates that an alert by Eddie "= cadaver scent". Serendipity is on this forum and made no allowance for the fact that Grime specifically says it does not "= cadaver scent". It is merely suggestive of such. And that is without then going into the issue which, again Martin Grime, points out that were such scent to be in existence it may be due to cross contamination and have nothing to do with Madeleine.

When posters here make such claims it is only fair that people can challenge those claims.

Offline Wonderfulspam

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #141 on: March 27, 2014, 05:15:43 PM »
• An article about police investigations into the disappearance of Madeleine McCann in Portugal in 2007 (Madeleine police hunt serial sex attacker who prowled Algarve, 20 March, page 3) said Detective Chief Inspector Andy Redwood had said the assumption that Madeleine had been alive when she left the apartment "may not follow with all our thinking" on the case. To clarify: those quoted words actually came after Redwood had referred to the assumption that Madeleine had been abducted. However, Redwood did say during the same press conference that police were considering the possibility that Madeleine was not alive when taken from the apartment as well as the possibility that she was.

http://www.theguardian.com/theguardian/2014/mar/21/corrections-and-clarifications
Christian Brueckner Fan Club

Offline gilet

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #142 on: March 27, 2014, 05:18:53 PM »
No, its slightly more than that.
Redwood specifically mentioned the possibility of death before leaving the apartment. He need not have done this merely to suggest that she may be dead or alive.

Again, there was nothing and still is nothing which logically shows that Redwood's claim is based on anything other than the fact that the child is missing. Of course she could have died in or out of the apartment!

Even had no dogs ever been near the place that would be the totally logical position to hold.

Offline gilet

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #143 on: March 27, 2014, 05:20:14 PM »
Tis not for me to say whether you are required here or not. I was simply pointing out that no one is making wild claims about cadaver scent here, it's therefore unnecessary to constantly go on about how people act on other sites.

Sorry you are mistaken. As I pointed out above, at least one poster was yesterday significantly misleading in their claims about what Martin Grime had actually stated in his report.

icabodcrane

  • Guest
Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #144 on: March 27, 2014, 05:28:04 PM »
you are now making things up which shows the weakness of your argument....you make a connection between the alerts and SYs statement....SY haven't made this connection

Scotland Yard think Madeleine might have died in apartment 5A

I'll tell you what a  'weak argument'  is  ...  suggesting  that Scotland Yard came to that conclusion without any  consideration at all of the cadaver dog alerts  ...  that the dog alerts have nothing whatsoever to do with Scotland Yard thinking Madeleine died in the apartment  ...  that whilst they have some 'other'  imagined reason for thinking Madeleine died in the apartment,  it was certainly not because  cadaver dog intelligence was suggestive that a dead body had been there  ...  no siree

Now  that's a weak argument

Offline John

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #145 on: March 27, 2014, 05:34:11 PM »
I was told of an interesting experiment yesterday in order to test at what stage after death a properly trained dog can detect the scent of death or cadaverine.

In order to accomplish this, gauzes were left in contact with a newly deceased body at varying intervals starting at 70 mins, 85 mins etc...

Scent dogs were then introduced in an attempt to alert to the contaminated gauzes.  Conclusion was that they didn't alert to the 70 min gauze but did to the following ones commencing 1hr 25 mins.

Thus why a period of approximately 1½ hrs must elapse before a victim recovery dog will alert to a newly deceased cadaver.  Inevitably, this period of time will shorten with increased temperature.
« Last Edit: March 27, 2014, 05:42:27 PM by John »
A malicious prosecution for a crime which never existed. An exposé of egregious malfeasance by public officials.
Indeed, the truth never changes with the passage of time.

Offline jassi

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #146 on: March 27, 2014, 05:38:45 PM »
Again, there was nothing and still is nothing which logically shows that Redwood's claim is based on anything other than the fact that the child is missing. Of course she could have died in or out of the apartment!

Even had no dogs ever been near the place that would be the totally logical position to hold.

No I don't think so. It would be logical to say she may be alive or dead, and to leave it at that.
To specify further suggests that they have additional information, to which we are not party.
I believe everything. And l believe nothing.
I suspect everyone. And l suspect no one.
I gather the facts, examine the clues... and before   you know it, the case is solved!"

Or maybe not -

OG have been pushed out by the Germans who have reserved all the deck chairs for the foreseeable future

Offline Serendipity

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #147 on: March 27, 2014, 05:41:25 PM »
Its most interesting given that we are led to believe that you have inside information that your claim I queried yesterday about Grime has been removed from the forum.  But putting that to one side...

Your reply above in no way at all answers the point I made.

You stated in a previous post that if Eddie alerted and Keela did not alert, and I quote, that "= cadaver scent".

The point I made is that Martin Grime (who we are told you are supposedly able to defend because of some kind of inside knowledge that you claim to have) categorically did not equate such a situation where one dog alerted and the other did not to " = cadaver scent" as you have stated. You are totally misrepresenting what Martin Grime stated in his report.

He said that it was simply suggestive of "cadaver scent".

Why are you misrepresenting the report which Martin Grime wrote and exaggerating the significance by leaving out the doubt which he deliberately and repeatedly emphasised?

The point I made was totally different to the one you have answered. The point is not that the dogs have never been proven to be wrong but that they have not always been proven to be right. There is a very clear distinction between the two matters.

It is a fact that the EVRD dog has not been proven to be right in the McCann case. And no matter how many statistics and comments may be offered or however many times the failure of one dog to alert is made out to "= cadaver scent", the reality is that there is no proof that a dead body was in Apartment 5A or the McCann hire car. We only have to read the words of Martin Grime in his own personal report to understand that.

I repeat, why are you misrepresenting what he wrote?

No-one has ever said that the dog alerts have been ruled out and only last week Andy Redwood suggested very strongly that they are still very much in play when he said there was a possibility that Madeleine was not alive BEFORE she left the apartment.  He did not say she might not be alive.  He made a point of indicating a timeline for such a possibility.  Not finding a body does not make them wrong and we must not forget that forensics did not rule Madeleine in and nor did they rule her out.  Given the excellent track record of the dogs, it is highly unlikely that Eddie was wrong, he alerted to cadaver scent but he has no way of knowing whose scent that belonged to, it is up to the authorities to determine if he was alerting to Madeleine or to another person.  Therefore it cannot be categorically stated that the dogs were wrong in the McCann case.  Whether they were or not will not be known until the case is resolved.

Despite claiming you have studied cadaver odour for two years, you have a lot to learn in terms of the way that Eddie and Keela worked and the following demonstrates that clearly:

'however many times the failure of one dog to alert is made out to "= cadaver scent"''

Keela was never trained to alert to cadaver scent, so how could she be deemed to have failed to alert to it?  She was trained to alert to blood only.  Eddie on the other hand was trained to alert to both blood and cadaver scent only. Neither dogs were trained to alert to anything else so when they alerted it  will only ever be to what they were trained to alert to and nothing else. Both dogs were deconditioned to alert to any other bodily fluids such as semen, urine etc unless they were mixed with blood. They were used in tandem as a fail safe method of determining what was being alerted to.  Using two dogs, both who were trained to alert to blood and one who was trained to alert to cadaver scent made that possible.  If Eddie was to alert, Martin would know that he had alerted to either blood or cadaver scent or both as they were the only two things he was trained for but would need to deploy Keela to validate Eddies alert.  As Keela only alerted to blood, if she did not also alert then it would mean that as per his training Eddie was only alerting to the other scent he was trained to detect i.e. cadaver scent.  If Keela also alerted to the same item/location as Eddie then the alerts would only be attributed to blood as Keela was not trained to detect cadaver scent.  Legally a blood alert is the only alert that authorities can accept as it can be proven what it is the dogs alerted to.  Where Keela does not alert but Eddie does alert Martin knows that = cadaver scent as that's what the dog was trained to detect but of course he cannot legally state that. It is up to police to identify any corroborative evidence  to prove that Eddie was indeed alerting to where a body or body part had been, which is why Martin can only state that it is 'suggestive' of cadaver scent until either a body or other forensic corroborative evidence explaining the alert is found.





 
« Last Edit: March 27, 2014, 05:47:49 PM by Serendipity »

Offline pathfinder73

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #148 on: March 27, 2014, 05:42:52 PM »
I was told of an interesting experiment yesterday in order to test at what stage after death a properly trained dog can detect the scent of death or cadaverine.

In order to accomplish this, gauzes were left in contact with a newly deceased body at varying intervals starting at 70 mins, 85 mins etc...

Scent dogs were then introduced in an attempt to alert to the contaminated gauzes.  Conclusion was that they didn't alert to the 70 min gauze but did to the following ones commencing 1hr 25 mins.

Thus why a period of approximately 1½ hrs must elapse before a victim recovery dog will alert to a newly deceased cadaver.  Inevitably, this period of time will shorten with increased temperature.

Thanks that's very interesting and connects with my theory that something happened 6.30 to 7pm and moved out around 2 hours later. If they think Madeleine died in the apartment then they won't believe she was fine under or on top of the covers in Gerry's case on his check at just after 9pm. If they think he was not telling the truth then Smithman is a first connecting thought.
« Last Edit: March 27, 2014, 05:46:36 PM by pathfinder73 »
Smithman carrying a child in his arms checked his watch after passing the Smith family and the time was 10:03. Both are still unidentified 10 years later.

Offline pegasus

Re: Are Victim Detection and Forensic Evidence Search Dogs reliable?
« Reply #149 on: March 27, 2014, 05:45:03 PM »
Imagine if Eddie's search of 5A had produced no signals, to SY that would be intelligence: left apartment alive.