Zodiac DNA being worked on by SFPD & VALLEJO PD

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Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby morf13 » Tue Apr 18, 2017 5:46 pm

I hear that DNA from the Z case is being worked on using new equipment. If anything comes from it, you will hear about it
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby Quagmire » Tue Apr 18, 2017 6:38 pm

:shock:

Wonder if they've finally shared some info and tried working together as a team...
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby sandy betts » Wed Apr 19, 2017 2:46 am

Lets cross our fingers that Vallejo PD have envelops from Zodiac, that they will test or touch DNA on the letters, because I can't think of anything else with DNA that they have from Darlene's case. Unless they were careful when they collected the 9 mil shell casings? It will be interesting to see if it will compare to the partial DNA from SFPD.I never read in any report that the phone booth used by Zodiac to place his call to Nancy Slover, was ever checked for prints, or if they kept the receiver? That would have DNA if he wasn't wearing gloves.
I would like to see the new test done that can give eye, hair color and ethnicity. That would shorten the suspect list!
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby Tahoe27 » Wed Apr 19, 2017 12:29 pm

I sure hope they do work on it.
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"...they may be dealing with one or more ersatz Zodiacs--other psychotics eager to get into the act, or perhaps even other murderers eager to lay their crimes at the real Zodiac's doorstep." L.A. Times, 1969
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby SillyBilly » Wed Apr 19, 2017 3:30 pm

Sry for my ignorance, bu what happened to the supposed sample of Gaikowsky´s DNA, sent by "Mystery Quest"? Did they ever made a comparison with Z´s partial DNA, or is it still on hold?
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby mike_r » Wed Apr 19, 2017 4:44 pm

Hi,

When will folks ever learn about these DNA rumors? My and Lyndon's research with Alan Keel, as well as info passed to me by Ray Nixon from inside SFPD's lab in 2002 (as well as other people working on different angles) says the Z letters were not licked by the sender. SFPD distanced itself from its own 2002 DNA in 2009 and everyone up to the Chief read my report on KQ in 2012 TEN YEARS after they said he was "eliminated." Obviously, they didn't feel he had been eliminated or why read over a report in 2012? They even told me in 2012 that they did not have much confidence in the DNA they had from 2002. Touch DNA on evidence that has been "touched" and pawed by untold numbers of people over the years is a pipe dream. Letters treated with Ninhydrin don't retain biological material as far as I know.

SFPD was very cryptic in 2013 but they told me they were trying for touch DNA. Assume it was on Stine's shirt and determining where killer held it to cut it. Has anyone ever seen how that shirt was handled over the years? There is a video of Toschi removing it from an old brown paper bag that was so crumpled it looked like it had bene opened a thousand times. And it had been! To remove that shirt without gloves and show it to someone and then unceremoniously stuff it back in the bag without gfloves.

Won't be holding my breath on this one.

Mike
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby sandy betts » Wed Apr 19, 2017 6:18 pm

The information that I received from the supervisor of the DNA lab in San Francisco Dr.C. Holt , was that at that time (2015) they had 4 of 9 markers.

Prime Time TV gave her 3 suspect samples, all three were eliminated. She was working at that time with PCR ( Polymerase Chain Reaction), which gave them a genetic profile. She said they can do it with as little as 50 human cells. A genetic profile will allow investigators to check for a match in a data base as well as with possible suspects.
What they had at SFPD is "enough to eliminate suspects", is what she told me in person in front of other people.

And that was before they received 3 other Zodiac letters, that were kept by one of the detectives, who has sense given them back to SFPD. I am keeping my hopes up that with all of the latest advances in DNA (even in the past two years), there is hope that Zodiac will be caught.

( I feel it in my bones!)
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby YourSecretPal » Wed Apr 19, 2017 6:49 pm

Any word on a new suspect(s) they're working? Or just because of the advancement of DNA testing?
Would love to know more.
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby mike_r » Wed Apr 19, 2017 7:21 pm

Hi Sandy,

I can only repeat that Alan Keel, who tested the actual Z letters for the presence of saliva, said that in his opinion as an experienced lab tech that the Z letters did not appear to have been licked. Ray Nixon told me in 2007 that Holt repeated the saliva testing in 2002 and came to the same conclusion. You can get 50 cells form someone who sneezed on a letter in 1971 but that does not make it Z's DNA. In 2009, SFPD told Kevin Fagan that the DNA "may not be reliable" and in 2012 SFPD told me that they essentially had no confidence in the DNA, since it is not reproducible.

People can believe whatever they want about the ZNA in this case but that is what the research into that DNA has shown. I can only keep repeating this over and over.

When the movie came out in 2007, three letters magically appeared and the DOJ took custody of them and assured the public that they were testing them for DNA. A few months later when the clamor died down, IIRC, they quietly announced that they were unsuccessful. The beat just keeps going on...and yet people still get wide eyed whenever DNA is mentioned. It does not matter what new equipment you use on the letters if they were not licked, unless that machine can magically create Z's actual saliva and DNA and place it on the letters for us. It's not the technology, it's the condition of the letters and over handled evidence that is important.

Mike
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Re: Zodiac DNA being worked on by SFPD & VALLEJO PD

Postby morf13 » Wed Apr 19, 2017 8:20 pm

mike_r wrote:Hi,

When will folks ever learn about these DNA rumors? My and Lyndon's research with Alan Keel, as well as info passed to me by Ray Nixon from inside SFPD's lab in 2002 (as well as other people working on different angles) says the Z letters were not licked by the sender. SFPD distanced itself from its own 2002 DNA in 2009 and everyone up to the Chief read my report on KQ in 2012 TEN YEARS after they said he was "eliminated." Obviously, they didn't feel he had been eliminated or why read over a report in 2012? They even told me in 2012 that they did not have much confidence in the DNA they had from 2002. Touch DNA on evidence that has been "touched" and pawed by untold numbers of people over the years is a pipe dream. Letters treated with Ninhydrin don't retain biological material as far as I know.

SFPD was very cryptic in 2013 but they told me they were trying for touch DNA. Assume it was on Stine's shirt and determining where killer held it to cut it. Has anyone ever seen how that shirt was handled over the years? There is a video of Toschi removing it from an old brown paper bag that was so crumpled it looked like it had bene opened a thousand times. And it had been! To remove that shirt without gloves and show it to someone and then unceremoniously stuff it back in the bag without gfloves.

Won't be holding my breath on this one.

Mike


Mike, this is straight from a Zodiac case investigator to my ears. I believe this person. There are more details and maybe those details will be public knowledge soon, and then it will make sense
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