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Richard Grinell, Coventry, England
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DR SUSANNE KNABE-NICOL

3/6/2020

 
Picturegeographicprofiling.com
Detective Terry Poyser of the Vallejo Police told The Bee that DNA from saliva may be recovered from the envelopes. If that happens, and “we get a good profile, then you start tracking back,” Poyser said. “It really comes down to DNA. Without it, you have nothing. It’s a 50-years-old case". Results from the DNA analysis are expected back in the coming weeks.

Unfortunately, the "coming weeks" has now extended to 2 1/2 years with limited hope of a resolution - but all is not lost. Searching for a killer in a pool of potentially millions of people, is like finding a needle in a field of haystacks. Identifying a person of interest and lego-building a case around them in the fashion displayed on the internet has spawned a growing list of suspects, cobbled together with weak circumstantial evidence and viewed through rose-tinted glasses by their promoter. Any inconvenient observation regarding that suspect, which pours huge doubt on their guilt, will be routinely dismissed - an essential prerequisite for anybody with a long-standing fixation or unfaltering conviction in their suspect as the Zodiac Killer. The healthy interest in a person as a likely candidate for the Bay Area murders often metamorphosizes into an unhealthy obsession, in which the author ends up creating something akin to Mary Shelley's Frankenstein - a hideously manufactured humanlike creature that ultimately bears no resemblance to the Zodiac Killer or the facts of the case. The fact we have hundreds of Zodiac suspects in 2020, is testimony to how easy it is to manipulate the communications and crimes to fit our desired choice.

In a case stretching back 50 years, we have to play the odds and drain the ever-growing ocean of suspects by reducing the search field. We can do this by employing the useful tool of geographic profiling and creating a mental map of the killer. This is not a replacement for good old fashioned police work and forensics, but can prioritize where we begin our search, before extending outwards. Dr IPIP (Investigative Psychology for Investigative Practitioners) was created by Dr Susanne Knabe-Nicol, an investigative psychologist. She has created an excellent video playlist of investigative tools on Youtube, including a 53 minute interview with Kim Rossmo, a Canadian criminologist specializing in geographic profiling. This interview should give you an insight into all aspects of geographic profiling and its uses in a criminal investigation such as the Zodiac Killer. Dr Susanne Knabe-Nicol (Dr IPIP) can also be accessed via her website here.

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Rubislaw 32 link
3/7/2020 04:39:31 am

The swift climb down from Poyser's dishonest nonsense ( May 2nd 2018 ) :

Just six days later , virtue of the Benicia Herald ( May 8th 2018 ) :

The Vallejo P.D. :

'' Currently , we ( The Vallejo P.D. ) are not close to identifying a suspect , nor do we anticipate developing that information at any time in the near future . ''

Sadly , three well known Zodiac internet contributors flew with Poyser's misinformation , as if it had wings attached . And hence , the '' there never has been Zodiac DNA '' myth was successfully launched .

The ''culprits '' ? Solve the following initials :

T.V. ; M.R. ; S.B.

A wasted general debate , thereafter , ensued for a whole year .

Tom Voigt link
3/7/2020 10:09:47 am

You are clearly mentally ill.

Rubislaw 32 link
3/7/2020 01:05:13 pm

As if March 26th never happened to you ?

'' Of toxic disposition '' ?

Pleasant Hill P.D. and the FBI ?

Completely deluded and past salvation , as you continue to remind everyone , time after time .

Tom Voigt link
3/7/2020 01:41:43 pm

Ok, I'll bite...what does Pleasant Hill and the FBI have to do with anything?

Rubislaw 32 link
3/7/2020 01:59:15 pm

You see Voigt , your'e not even '' at the races '' with the reasons why March 26th happened to you .

People expected more of you , but found out you were a '' busted flush '' with law enforcement , anyway .

And now , they just don't care , and only wish that you would go away .

Tom Voigt link
3/7/2020 02:13:01 pm

Yep, you're a nut bag. Thanks for providing additional proof.

Rubislaw 32 link
3/7/2020 02:22:24 pm

How you seem to be convinced of anything is a mystery to others ,since amnesia appears to be your mitigation of convenience ,now .

Don't you get it yet ? Everyone , save a few members at your own site , have had quite enough you , your many posting names , and your sick hoaxes .

You certainly won't be missed .

Rubislaw 32 link
3/7/2020 04:25:56 pm

I notice that this question of the Vallejo P.D.'s presumed involvement with Zodiac DNA lab work , keeps cropping up at sites , such as Reddit .And , this was in light of that phantom ( ? ) claim by Detective Poyser , then effectively retracted by his Vallejo colleagues , less than a week later , in the Benicia Herald .

It seems that few caught the Benicia Herald report , with its average daily readership of not much more than 3,000 . This comparing to about 750,000 in the Bay area alone that bought a newspaper , in the wake of the Bee's initial reported claim from Poyser , and would have read something about Poyser's initial claim .

More usually , when questions are raised , the Zodiac contributor Tom Voigt directs everyone to his latest quote received ,which was more than a year ago : '' The lab work has turned into more lab work.Vallejo P.D. is still at it .....''

But the real '' latest '' came from a local woman , on February 4th of this year , and less than 5 weeks ago . This local woman , who is known to the Vallejo P.D. , took it upon herself to visit Vallejo P.D. in person , to see for herself whether they could shed any light on reports , claimed by the likes of Tom Voigt , that the Vallejo P.D. were responsible for attempts to acquire Zodiac DNA .

A police officer said the following :

'' Hi ( local lady ) - unfortunately we do not have any update to be released publicly , at this time . ''

It all adds up to a bunch of cringe worthy BS for the Vallejo P.D. , and makes no sense in the CA DOJ's usual delegation of forensics duties .

One wonders how much longer are the V.P.D. going to drag this nonsense out and , must rue the day when , Detective Poyser thought it such a marvellous idea , and of his own '' daft '' bat ,to hoodwink everyone into his and his P.D.'s dishonest representation , in the Zodiac case.

Roger
3/7/2020 11:51:55 pm

I like geographic profiling, and in many cases it is spot on accurate. But at best it can really only narrow down a potential location and suspect list. I agree with Rubislaw's general sentiments. The ongoing DNA saga has been very disappointing so far. I can understand the need for secrecy, but surely some kind of statement could be officially issued, even if it is merely to confirm if the investigation is ongoing or if they have given up entirely.

Rubislaw 32 link
3/8/2020 12:15:41 am

I certainly agree that the '' authorities '' , which ordinarily should mean the CA DOJ , have been exceptionally mean about the lack of an official and definitive informative declaration on the case .

Poyser's pathetic claim , full of puffed up self-importance , came in the wake of GSK and , many would have seen it as a dressed up request that the Zodiac case is in hand , and that members of the public should not be bothering their local police on the matter , particularly in the Bay area .

But , it back-fired to an extent since , the content of Poyser's claim was a primarily a lie - and not a very good one either , with Poyser having acted without permission up the chain of command .

Personally , and from what I have been looking at , in terms of probable Zodiac investigations is , that the CA DOJ have had to hand overall jurisdiction of the case to the US DOJ .In other words , the case is '' fully federal '' in its nature of its chain of command .

Sadly though , whatever the truth of the matter , there has yet been a resolution to the case , and we are still left wondering about the reality of an '' end game '' .

Richard
3/8/2020 03:29:17 am

The fact it was late 2017 that these tests were supposed to have proceeded, should tell us everything we need to know. The police surely have records of home dwellers in the hot zones generated by geographic profiling. These lists should be examined for potential suspects. If not geographic profiling, then we have little else.

In terms of secrecy, that has been employed at Riverside for 54 years. The time for secrecy is over in that case. The DNA testing claim in the latest round of speculation appears an exercise in placation.

Roger
3/8/2020 03:30:58 pm

Agreed Richard. Riverside has turned on the information tap a couple of times. Once in 1969 for that Inside Detective journal article. Then there was another small gush provided to Tom Voigt regarding "Bill Bennett" ("Bob Barnett") and we must only take him at his word that he has reproduced the details accurately and in full. Apart from these two glimpses, the silence has been rather deafening.

Mo
3/8/2020 05:26:18 am

I agree that law enforcement agencies at the various jurisdictions can be more transparent. However, DNA from the Zodiac case can be problematic for a variety of reasons:

-DNA evidence from the crime scenes is scant at best, and non-existent at worst.

-Whatever DNA collected from the crime scenes (i.e. Riverside), may have degraded over the years to a point that makes it difficult to use.

-The DNA from the letters is either too fragile (traces of saliva) and legally suspect (did the killer lick the envelope).

-Many Zodiac suspects are already dead and their DNA may not be available to law enforcement. If so, law enforcement needs to track down relatives who are willing to cooperate in the investigation, which maybe a tedious, time-consuming and even futile exercise.

-I think the most optimistic outcome would be to find a crime committed by the Zodiac outside the four certain ones in Northern California and hope that he left more useable physical evidence that can be used (i.e. Oceanside cab driver)? Zodiac almost certainly did not start or end his spree in the period between Dec. 68 to Oct. 69.

Rubislaw 32 link
3/8/2020 06:25:38 am

I think that your last paragraph , Mo , '' hits the nail on the head '' and , specifically , regardless of what may have been found out about the Zodiac's crimes , prior to '' Bay area '' , it is crimes after '' Bay area '' for which the authorities ( CA DOJ / US DOJ ) are really focusing , for a feasible conviction.

After 50 years of compromised judicial prejudice and plain '' f*ck ups '' , there is little or no chance of a court room victory , '' first tier '' , for the Bay area attacks . But , they are all part of the Zodiac's '' House of Cards '' that can be made to collapse , in the wake of at least one successful murder conviction , post '' Bay area '' .

BB
3/8/2020 10:36:54 am

Richard - Geographic profiling is nice - but what about Job profiling?

By the numbers: Taxi driver is the job with the No. 1 murder rate. Taxi drivers have a higher murder rate on the job than any other profession, according to the Bureau of Labor Statistics.

If we were paid according to the statistical danger of our jobs - taxi drivers would be the highest paid by double the next - cops.

https://www.syracuse.com/opinion/2015/01/by_the_numbers_job_with_the_number_1_murder_rate_taxi_drivers.html

Richard
3/8/2020 10:47:27 am

I suppose it depends on where you live, but yes, taxicab drivers and police wouldn't be high on my list of choices in America where you can get your head blown off at any time. Haven't taxicab drivers got bullet proof partitions yet. Reverse the argument - what are the highest professions for murders (not counting unemployed).

Chaucer
3/10/2020 06:07:56 am

I think geographic profiling, coupled with a deep dive into DMV and census records could dramatically reduce the suspect pool. Unfortunately, California has very tight privacy laws and any DMV info is tightly guarded.

I also think it’s important to continue to search for definitive places where Zodiac was to add data to the profiling.

Tom1
3/12/2020 07:35:38 pm

That lovers spat displayed above between two prima donna members would rival the latest episode of the “Batchelor”. A total waste of space on Richard’s site. Take your love affair somewhere else.

Prima Donna
3/13/2020 07:26:18 pm

I am the real Prima Donna and I must say I am outraged. ;-)

Louis Prima
3/14/2020 06:41:07 am

I am the real Prima and I must say...

I'm just a gigolo and everywhere I go /
People know the part I'm playing /
Paid for every dance, selling each romance /
Ooh, what they're saying.


Comments are closed.
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