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Zodiac DNA being worked on by SFPD & VALLEJO PD

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Chaucer
(@chaucer)
Posts: 1210
Moderator Admin
 

FWIW, if there is a DNA breakthrough with regards to the Zodiac, it is my belief that it will come from the Sacramento Sheriff’s Office and not Vallejo.

“Murder will out, this my conclusion.”
– Geoffrey Chaucer

 
Posted : August 6, 2019 6:31 pm
 k862
(@k862)
Posts: 16
Active Member
 

FWIW, if there is a DNA breakthrough with regards to the Zodiac, it is my belief that it will come from the Sacramento Sheriff’s Office and not Vallejo.

Why do you believe that?

 
Posted : August 6, 2019 7:16 pm
Chaucer
(@chaucer)
Posts: 1210
Moderator Admin
 

I don’t want to say too much except that I’ve been told that SCSO has a better DNA sample than any other LE office. I do not know if they have actually entered anything into any databases.

“Murder will out, this my conclusion.”
– Geoffrey Chaucer

 
Posted : August 6, 2019 7:19 pm
(@cragle)
Posts: 767
Prominent Member
 

FWIW, if there is a DNA breakthrough with regards to the Zodiac, it is my belief that it will come from the Sacramento Sheriff’s Office and not Vallejo.

Yep

 
Posted : August 6, 2019 7:29 pm
CuriousCat
(@curiouscat)
Posts: 1328
Noble Member
 

I don’t want to say too much except that I’ve been told that SCSO has a better DNA sample than any other LE office.

Yeah, I’ve heard the same thing.

 
Posted : August 6, 2019 7:43 pm
(@sandy-betts)
Posts: 1375
Noble Member
 

I don’t want to say too much except that I’ve been told that SCSO has a better DNA sample than any other LE office.

Yeah, I’ve heard the same thing.

I think I know what you are referring to and that is supposed to be kept under raps for right now. That confirms what I was told last December from Tom V, that is awesome news!

 
Posted : August 6, 2019 8:01 pm
(@xcaliber)
Posts: 653
Honorable Member
 

Doesn’t sound right. There was a Z crime committed in Sac County?

 
Posted : August 6, 2019 8:33 pm
(@simplicity)
Posts: 753
Prominent Member
 

Doesn’t sound right. There was a Z crime committed in Sac County?

Maybe a partial Z profile matched well to another case with a more complete profile?

Yes, dyslexia is probably my first undiagnosed language.

 
Posted : August 6, 2019 8:52 pm
TommyT
(@tommyt)
Posts: 117
Estimable Member
 

I don’t want to say too much except that I’ve been told that SCSO has a better DNA sample than any other LE office.

Yeah, I’ve heard the same thing.

I think I know what you are referring to and that is supposed to be kept under raps for right now. That confirms what I was told last December from Tom V, that is awesome news!

Ditto this. But everyone should already know that nothing is absolute until you hear it from the horses mouth.

 
Posted : August 6, 2019 8:56 pm
(@xcaliber)
Posts: 653
Honorable Member
 

Doesn’t sound right. There was a Z crime committed in Sac County?

Maybe a partial Z profile matched well to another case with a more complete profile?

That’s an interesting thought. Except they’ve never come up with a partial Z profile. If the current VPD testing yielded a partial, their focus would be on sequencing it to a full.

If Sac County did have a possibly-related profile from 2018 or earlier, the heavy odds are they would have familial-matched it by now, if it was match-able.

 
Posted : August 6, 2019 9:07 pm
jacob
(@jacob)
Posts: 1266
Noble Member
 

Doesn’t sound right. There was a Z crime committed in Sac County?

Possibly two. https://zodiackillersite.com/viewtopic.php?f=37&t=3177

 
Posted : August 6, 2019 9:12 pm
(@xcaliber)
Posts: 653
Honorable Member
 

Sure, that would be helpful to solve the Bennallack case. Same with the SR Hitchhiker. Unlikely they were Z crimes, but if you get a named suspect you never know what that could lead to. They’ve reportedly had DNA from the Bennallack crime though for a couple years at least.

 
Posted : August 6, 2019 9:25 pm
CuriousCat
(@curiouscat)
Posts: 1328
Noble Member
 

They’ve reportedly had DNA from the Bennallack crime though for a couple years at least.

I’m not so sure solving cold case murders by DNA is as quick or easy as we seem to think it is after Deangelo and some others have been solved. They didn’t get a direct hit on Deangelo when they ran his profile through GEDmatch, it matched up with a family member several generations back and they had to work from there to narrow it down. I know in the Deangelo case Paul Holes said they narrowed down the possible suspects to five but even then Joseph Deangelo wasn’t a stand out suspect and it took some old fashioned detective work to narrow it down to him. The DA also wanted a new, direct sample to make sure before they would arrest him.

So I can see stumbling blocks along the way even with a full DNA profile. If the suspect is from a very large family that’s potentially a lot of people to rule out. It could depend on the family situations as well, a member of the family who’s whereabouts are unknown could cause trouble in narrowing down the suspects. Someone who was adopted could cause problems, as many courts don’t like opening adoption records. If the suspect is deceased and the DA wants a direct sample that would require exhumation which is not always easy to get permission for. If the person was cremated that could be a dead end.

I’m hopeful they are closing in on someone but I fear it isn’t as simple or quick as we wish.

 
Posted : August 6, 2019 10:01 pm
(@xcaliber)
Posts: 653
Honorable Member
 

Right but I believe DeAngelo took 4 months from profile to suspect — and as you say, the matching part was reasonably complicated.

 
Posted : August 6, 2019 10:15 pm
(@sandy-betts)
Posts: 1375
Noble Member
 

I think it took at least 6 months from the time they narrowed it down to the DeAngleo family. It took 5 or 6 people working that case and VPD has only "one". He has been out on sick leave for a few months, so it will take longer to hear about the DNA they found.

Sometimes when word gets let out, one way or another it gets blown way out of proportion,so I wouldn’t put too much weight on what has been said just yet.

If what we heard about the Sacramento case is true, we can eliminate all of the over weight suspects. Who ever did that one, had to be very fit as well as extremely agile and could climb like a monkey. Of course my RH suspect is all of that and then some!

 
Posted : August 6, 2019 10:41 pm
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