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Man Arrested in 1980 Slaying of 79-Year-Old California Woman (Original Post) discocrisco01 May 2021 OP
DNA testing and wide use of computers to evaluate evidence is the answer as to why this happened. Stuart G May 2021 #1
The guy had to have DNA in some databank somewhere jimfields33 May 2021 #2
Or did they have tips about him and get DNA upon his arrest? Bengus81 May 2021 #3
Good question. jimfields33 May 2021 #4
Not necessarily. If a family member has dna on file they can get a partial match hit on them. Hassin Bin Sober May 2021 #5
That was truly amazing! Bluepinky May 2021 #6
I think I read somewhere they are trying the same technique for the Zodiac killer. Hassin Bin Sober May 2021 #10
Yeah, he should be. Bluepinky May 2021 #18
These "find your family history" genealogy sites make it easier to solve these cold cases. n/t Yavin4 May 2021 #9
It''s actually alot of work, unless researchers get lucky LeftInTX May 2021 #19
No, they could have tracked him through familial DNA, like they did for Golden State Killer greenjar_01 May 2021 #7
Or a relative had DNA in a databank. Midnight Writer May 2021 #8
Many people that thought they got away with murder/rape because decades have passed alphafemale May 2021 #12
Let me guess.... He did this when he was 23 and has lived a full life....but alphafemale May 2021 #11
I'll save that attitude for the conviction if it happens AZLD4Candidate May 2021 #13
DNA does not lie. alphafemale May 2021 #14
I agree, but I am not an "arrest means guilt" person. That's why there are trials. AZLD4Candidate May 2021 #15
And then he has had most of his life since slaughtering that helpless old woman. alphafemale May 2021 #16
Did I say "mercy?" All I said was I will reserve my call for blood until after conviction. AZLD4Candidate May 2021 #17
You don't have "old man bones" at 64. colorado_ufo May 2021 #20
They are going to try everything. alphafemale May 2021 #21
It's more likely that this guy has been a repeat offender over the years... joshcryer May 2021 #22
Like the Golden State Killer turned out to be a cop while he was terrorizing and killing. alphafemale May 2021 #23

Stuart G

(38,421 posts)
1. DNA testing and wide use of computers to evaluate evidence is the answer as to why this happened.
Sat May 1, 2021, 08:47 AM
May 2021

It isn't just the DNA, it is the widespread use of computers to compare the DNA and other evidence. This
killer got away with it for 40 years, and was sure he would always get away with it....He was 24 when
he killed her.

jimfields33

(15,787 posts)
2. The guy had to have DNA in some databank somewhere
Sat May 1, 2021, 10:04 AM
May 2021

We’re still at the mercy of getting DNA from every person in order to find cold cases processed.

Bengus81

(6,931 posts)
3. Or did they have tips about him and get DNA upon his arrest?
Sat May 1, 2021, 10:10 AM
May 2021

Article doesn't really say or that if he was arrested for something else and gave DNA. But...this is yet another case where there should never be a death penalty.

It's a wonder some black or Hispanic wasn't arrested and put to death or spent 40 years in prison.

jimfields33

(15,787 posts)
4. Good question.
Sat May 1, 2021, 10:13 AM
May 2021

And your last statement is spot on. Thank goodness that doesn’t seem to be the case at least in this one.

Hassin Bin Sober

(26,326 posts)
5. Not necessarily. If a family member has dna on file they can get a partial match hit on them.
Sat May 1, 2021, 10:25 AM
May 2021

Once they identify a familial hit they have it narrowed down to a relatively small list of possibles. Now do the detective work to exclude people - deceased, not living in the area, etc.

Once they identify a suspect they can obtain DNA either voluntarily, by court order, or surreptitiously (follow the suspect and collect soft drink cups etc.)


The way authorities caught The Golden State Killer was nothing short of amazing



https://en.wikipedia.org/wiki/Joseph_James_DeAngelo#Investigation

On June 15, 2016, the FBI released further information related to the crimes, including new composite sketches and crime details;[130] a $50,000 reward was also announced.[165] The initiative included a national database to support law enforcement's investigating of the crimes and to handle tips and information.[166] Eventually, "through the use of genetic genealogy searching on GEDmatch, investigators identified distant relatives of DeAngelo — including family members directly related to his great-great-great-great grandfather dating back to the 1800s. Based on this information, investigators built about 25 different family trees. The tree that eventually linked to [DeAngelo] alone contained approximately 1,000 people. Over the course of a few months, investigators used other clues like age, sex, and place of residence to rule out suspects populating these trees, eliminating suspects one by one until only DeAngelo remained."[16]
During the investigation, several people were considered and later eliminated as suspects:
Brett Glasby, from Goleta, was considered a suspect by Santa Barbara County investigators. He was murdered in Mexico in 1982, before the murder of Janelle Cruz; this eliminated him as a suspect.[167]
Paul "Cornfed" Schneider, a high-ranking member of the Aryan Brotherhood, was living in Orange County when the Harringtons, Manuela Witthuhn, and Janelle Cruz were killed. A DNA test cleared him in the 1990s.[168][169]
Joe Alsip, a friend and business partner of the victim Lyman Smith. Alsip's pastor said that Alsip had confessed to him during a family-counseling session. Alsip was arraigned for the Smith murders in 1982, but the charges were later dropped,[170][171] and his innocence was confirmed by DNA testing in 1997.[172]

Hassin Bin Sober

(26,326 posts)
10. I think I read somewhere they are trying the same technique for the Zodiac killer.
Sat May 1, 2021, 03:12 PM
May 2021

I bed Ted Cruz is nervous!

LeftInTX

(25,289 posts)
19. It''s actually alot of work, unless researchers get lucky
Sat May 1, 2021, 07:25 PM
May 2021

Usually they get like a 3rd cousin match etc...

It's very rare to get a parent, child or sibling.

 

greenjar_01

(6,477 posts)
7. No, they could have tracked him through familial DNA, like they did for Golden State Killer
Sat May 1, 2021, 12:12 PM
May 2021

and several others at this point. They're able to triangulate and research from DNA that even fourth cousins (that is, people you probably don't even know) have in databases.

 

alphafemale

(18,497 posts)
12. Many people that thought they got away with murder/rape because decades have passed
Sat May 1, 2021, 03:49 PM
May 2021

are starting to sweat.

Good.

 

alphafemale

(18,497 posts)
11. Let me guess.... He did this when he was 23 and has lived a full life....but
Sat May 1, 2021, 03:47 PM
May 2021

We should have mercy on him now because prison food is hard to digest and the beds will be hard on his old man bones.

Just waiting on the typical people crying for killers and child rapists that show up.

AZLD4Candidate

(5,688 posts)
13. I'll save that attitude for the conviction if it happens
Sat May 1, 2021, 04:33 PM
May 2021

Arrest doesn't mean guilty, nor does it mean conviction. That's what trials are for.

But I'm sure the defense will use that, and others, to do their jobs.

A rush to conviction is one of the reasons our justice system is so broken. We've been indoctrinated since Nixon to believe if the police arrest you, you must be guilty.

Yes, the evidence says so, but I would still wait to speak your comment after conviction.

AZLD4Candidate

(5,688 posts)
15. I agree, but I am not an "arrest means guilt" person. That's why there are trials.
Sat May 1, 2021, 04:49 PM
May 2021

I'm not saying mercy. I'm saying I will reserve judgement until after trial. He is guilty as sin, but let the jury do its job.

 

alphafemale

(18,497 posts)
16. And then he has had most of his life since slaughtering that helpless old woman.
Sat May 1, 2021, 04:57 PM
May 2021

No mercy at sentencing.

None.

 

alphafemale

(18,497 posts)
21. They are going to try everything.
Sun May 2, 2021, 01:08 AM
May 2021

Maybe he'll even hobble in with a walker they picked up from a drug store on the way to court.

Or maybe he will reel and stagger and pretend blindness.

joshcryer

(62,270 posts)
22. It's more likely that this guy has been a repeat offender over the years...
Sun May 2, 2021, 08:07 AM
May 2021

...and they will find more victims.

 

alphafemale

(18,497 posts)
23. Like the Golden State Killer turned out to be a cop while he was terrorizing and killing.
Sun May 2, 2021, 08:18 AM
May 2021

I will always believe that many of the cops around him knew and said nothing.

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